Home / 63,516.78-87,453.18-53,937.72

Finding the Fourth Proportional to 63,516.78, 87,453.18 and 53,937.72

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Solution

The fourth proportional to 63,516.78, 87,453.18 and 53,937.72 is: 74,264.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,516.78 : 87,453.18 = 53,937.72 : x
  2. Step 2: Convert to fraction form
    63,516.78/87,453.18 = 53,937.72/x
  3. Step 3: Cross multiply
    63,516.78x = 87,453.18 × 53,937.72
  4. Step 4: Simplify right side
    63,516.78x = 4,717,025,135.95
  5. Step 5: Solve for x
    x = 4,717,025,135.95/63,516.78
  6. Step 6: Final answer
    x = 74,264.24

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1.5x scale

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.