Home / 63,678.16-87,850.20-38,483.92

Finding the Fourth Proportional to 63,678.16, 87,850.20 and 38,483.92

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Solution

The fourth proportional to 63,678.16, 87,850.20 and 38,483.92 is: 53,092.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,678.16 : 87,850.20 = 38,483.92 : x
  2. Step 2: Convert to fraction form
    63,678.16/87,850.20 = 38,483.92/x
  3. Step 3: Cross multiply
    63,678.16x = 87,850.20 × 38,483.92
  4. Step 4: Simplify right side
    63,678.16x = 3,380,820,068.78
  5. Step 5: Solve for x
    x = 3,380,820,068.78/63,678.16
  6. Step 6: Final answer
    x = 53,092.30

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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.