Home / 86,342.78-129,521.46-24,013.28

Finding the Fourth Proportional to 86,342.78, 129,521.46 and 24,013.28

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Solution

The fourth proportional to 86,342.78, 129,521.46 and 24,013.28 is: 36,021.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,342.78 : 129,521.46 = 24,013.28 : x
  2. Step 2: Convert to fraction form
    86,342.78/129,521.46 = 24,013.28/x
  3. Step 3: Cross multiply
    86,342.78x = 129,521.46 × 24,013.28
  4. Step 4: Simplify right side
    86,342.78x = 3,110,235,084.99
  5. Step 5: Solve for x
    x = 3,110,235,084.99/86,342.78
  6. Step 6: Final answer
    x = 36,021.95

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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.