Home / 63,670.28-87,901.62-42,519.56

Finding the Fourth Proportional to 63,670.28, 87,901.62 and 42,519.56

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Solution

The fourth proportional to 63,670.28, 87,901.62 and 42,519.56 is: 58,701.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,670.28 : 87,901.62 = 42,519.56 : x
  2. Step 2: Convert to fraction form
    63,670.28/87,901.62 = 42,519.56/x
  3. Step 3: Cross multiply
    63,670.28x = 87,901.62 × 42,519.56
  4. Step 4: Simplify right side
    63,670.28x = 3,737,538,205.69
  5. Step 5: Solve for x
    x = 3,737,538,205.69/63,670.28
  6. Step 6: Final answer
    x = 58,701.46

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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.