Home / 75,279.73-103,625.23-65,066.06

Finding the Fourth Proportional to 75,279.73, 103,625.23 and 65,066.06

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Solution

The fourth proportional to 75,279.73, 103,625.23 and 65,066.06 is: 89,565.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,279.73 : 103,625.23 = 65,066.06 : x
  2. Step 2: Convert to fraction form
    75,279.73/103,625.23 = 65,066.06/x
  3. Step 3: Cross multiply
    75,279.73x = 103,625.23 × 65,066.06
  4. Step 4: Simplify right side
    75,279.73x = 6,742,485,432.69
  5. Step 5: Solve for x
    x = 6,742,485,432.69/75,279.73
  6. Step 6: Final answer
    x = 89,565.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.