Home / 86,591.77-129,955.70-44,470.15

Finding the Fourth Proportional to 86,591.77, 129,955.70 and 44,470.15

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Solution

The fourth proportional to 86,591.77, 129,955.70 and 44,470.15 is: 66,740.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,591.77 : 129,955.70 = 44,470.15 : x
  2. Step 2: Convert to fraction form
    86,591.77/129,955.70 = 44,470.15/x
  3. Step 3: Cross multiply
    86,591.77x = 129,955.70 × 44,470.15
  4. Step 4: Simplify right side
    86,591.77x = 5,779,149,472.36
  5. Step 5: Solve for x
    x = 5,779,149,472.36/86,591.77
  6. Step 6: Final answer
    x = 66,740.17

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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.