Home / 63,545.40-87,690.06-36,695.52

Finding the Fourth Proportional to 63,545.40, 87,690.06 and 36,695.52

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Solution

The fourth proportional to 63,545.40, 87,690.06 and 36,695.52 is: 50,638.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,545.40 : 87,690.06 = 36,695.52 : x
  2. Step 2: Convert to fraction form
    63,545.40/87,690.06 = 36,695.52/x
  3. Step 3: Cross multiply
    63,545.40x = 87,690.06 × 36,695.52
  4. Step 4: Simplify right side
    63,545.40x = 3,217,832,350.53
  5. Step 5: Solve for x
    x = 3,217,832,350.53/63,545.40
  6. Step 6: Final answer
    x = 50,638.32

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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.