Home / 65,394.19-98,066.39-38,747.70

Finding the Fourth Proportional to 65,394.19, 98,066.39 and 38,747.70

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Solution

The fourth proportional to 65,394.19, 98,066.39 and 38,747.70 is: 58,106.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,394.19 : 98,066.39 = 38,747.70 : x
  2. Step 2: Convert to fraction form
    65,394.19/98,066.39 = 38,747.70/x
  3. Step 3: Cross multiply
    65,394.19x = 98,066.39 × 38,747.70
  4. Step 4: Simplify right side
    65,394.19x = 3,799,846,866.06
  5. Step 5: Solve for x
    x = 3,799,846,866.06/65,394.19
  6. Step 6: Final answer
    x = 58,106.80

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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.