Home / 66,488.14-91,753.20-37,807.81

Finding the Fourth Proportional to 66,488.14, 91,753.20 and 37,807.81

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Solution

The fourth proportional to 66,488.14, 91,753.20 and 37,807.81 is: 52,174.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,488.14 : 91,753.20 = 37,807.81 : x
  2. Step 2: Convert to fraction form
    66,488.14/91,753.20 = 37,807.81/x
  3. Step 3: Cross multiply
    66,488.14x = 91,753.20 × 37,807.81
  4. Step 4: Simplify right side
    66,488.14x = 3,468,987,242.13
  5. Step 5: Solve for x
    x = 3,468,987,242.13/66,488.14
  6. Step 6: Final answer
    x = 52,174.53

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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.