Home / 86,470.01-129,708.98-26,494.19

Finding the Fourth Proportional to 86,470.01, 129,708.98 and 26,494.19

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Solution

The fourth proportional to 86,470.01, 129,708.98 and 26,494.19 is: 39,742.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,470.01 : 129,708.98 = 26,494.19 : x
  2. Step 2: Convert to fraction form
    86,470.01/129,708.98 = 26,494.19/x
  3. Step 3: Cross multiply
    86,470.01x = 129,708.98 × 26,494.19
  4. Step 4: Simplify right side
    86,470.01x = 3,436,533,778.52
  5. Step 5: Solve for x
    x = 3,436,533,778.52/86,470.01
  6. Step 6: Final answer
    x = 39,742.50

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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.