Home / 77,609.17-107,081.97-45,325.48

Finding the Fourth Proportional to 77,609.17, 107,081.97 and 45,325.48

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Solution

The fourth proportional to 77,609.17, 107,081.97 and 45,325.48 is: 62,538.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,609.17 : 107,081.97 = 45,325.48 : x
  2. Step 2: Convert to fraction form
    77,609.17/107,081.97 = 45,325.48/x
  3. Step 3: Cross multiply
    77,609.17x = 107,081.97 × 45,325.48
  4. Step 4: Simplify right side
    77,609.17x = 4,853,541,689.60
  5. Step 5: Solve for x
    x = 4,853,541,689.60/77,609.17
  6. Step 6: Final answer
    x = 62,538.25

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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.