Home / 63,129.38-87,117.93-36,270.99

Finding the Fourth Proportional to 63,129.38, 87,117.93 and 36,270.99

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Solution

The fourth proportional to 63,129.38, 87,117.93 and 36,270.99 is: 50,053.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,129.38 : 87,117.93 = 36,270.99 : x
  2. Step 2: Convert to fraction form
    63,129.38/87,117.93 = 36,270.99/x
  3. Step 3: Cross multiply
    63,129.38x = 87,117.93 × 36,270.99
  4. Step 4: Simplify right side
    63,129.38x = 3,159,853,567.85
  5. Step 5: Solve for x
    x = 3,159,853,567.85/63,129.38
  6. Step 6: Final answer
    x = 50,053.62

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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.