Home / 86,089.23-129,133.85-26,925.21

Finding the Fourth Proportional to 86,089.23, 129,133.85 and 26,925.21

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Solution

The fourth proportional to 86,089.23, 129,133.85 and 26,925.21 is: 40,387.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,089.23 : 129,133.85 = 26,925.21 : x
  2. Step 2: Convert to fraction form
    86,089.23/129,133.85 = 26,925.21/x
  3. Step 3: Cross multiply
    86,089.23x = 129,133.85 × 26,925.21
  4. Step 4: Simplify right side
    86,089.23x = 3,476,955,894.73
  5. Step 5: Solve for x
    x = 3,476,955,894.73/86,089.23
  6. Step 6: Final answer
    x = 40,387.82

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.