Home / 86,061.60-129,092.50-26,897.58

Finding the Fourth Proportional to 86,061.60, 129,092.50 and 26,897.58

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Solution

The fourth proportional to 86,061.60, 129,092.50 and 26,897.58 is: 40,346.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,061.60 : 129,092.50 = 26,897.58 : x
  2. Step 2: Convert to fraction form
    86,061.60/129,092.50 = 26,897.58/x
  3. Step 3: Cross multiply
    86,061.60x = 129,092.50 × 26,897.58
  4. Step 4: Simplify right side
    86,061.60x = 3,472,275,879.77
  5. Step 5: Solve for x
    x = 3,472,275,879.77/86,061.60
  6. Step 6: Final answer
    x = 40,346.40

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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.