Home / 63,543.12-87,686.28-35,248.20

Finding the Fourth Proportional to 63,543.12, 87,686.28 and 35,248.20

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Solution

The fourth proportional to 63,543.12, 87,686.28 and 35,248.20 is: 48,640.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,543.12 : 87,686.28 = 35,248.20 : x
  2. Step 2: Convert to fraction form
    63,543.12/87,686.28 = 35,248.20/x
  3. Step 3: Cross multiply
    63,543.12x = 87,686.28 × 35,248.20
  4. Step 4: Simplify right side
    63,543.12x = 3,090,783,534.70
  5. Step 5: Solve for x
    x = 3,090,783,534.70/63,543.12
  6. Step 6: Final answer
    x = 48,640.73

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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.