Home / 63,704.18-87,936.28-42,475.70

Finding the Fourth Proportional to 63,704.18, 87,936.28 and 42,475.70

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Solution

The fourth proportional to 63,704.18, 87,936.28 and 42,475.70 is: 58,632.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,704.18 : 87,936.28 = 42,475.70 : x
  2. Step 2: Convert to fraction form
    63,704.18/87,936.28 = 42,475.70/x
  3. Step 3: Cross multiply
    63,704.18x = 87,936.28 × 42,475.70
  4. Step 4: Simplify right side
    63,704.18x = 3,735,155,162.05
  5. Step 5: Solve for x
    x = 3,735,155,162.05/63,704.18
  6. Step 6: Final answer
    x = 58,632.81

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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.