Home / 65,988.19-91,042.30-37,305.08

Finding the Fourth Proportional to 65,988.19, 91,042.30 and 37,305.08

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Solution

The fourth proportional to 65,988.19, 91,042.30 and 37,305.08 is: 51,468.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,988.19 : 91,042.30 = 37,305.08 : x
  2. Step 2: Convert to fraction form
    65,988.19/91,042.30 = 37,305.08/x
  3. Step 3: Cross multiply
    65,988.19x = 91,042.30 × 37,305.08
  4. Step 4: Simplify right side
    65,988.19x = 3,396,340,007.87
  5. Step 5: Solve for x
    x = 3,396,340,007.87/65,988.19
  6. Step 6: Final answer
    x = 51,468.91

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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.