Home / 63,545.34-87,691.23-35,250.78

Finding the Fourth Proportional to 63,545.34, 87,691.23 and 35,250.78

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Solution

The fourth proportional to 63,545.34, 87,691.23 and 35,250.78 is: 48,645.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,545.34 : 87,691.23 = 35,250.78 : x
  2. Step 2: Convert to fraction form
    63,545.34/87,691.23 = 35,250.78/x
  3. Step 3: Cross multiply
    63,545.34x = 87,691.23 × 35,250.78
  4. Step 4: Simplify right side
    63,545.34x = 3,091,184,256.66
  5. Step 5: Solve for x
    x = 3,091,184,256.66/63,545.34
  6. Step 6: Final answer
    x = 48,645.33

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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.