Home / 72,545.04-100,175.99-45,367.71

Finding the Fourth Proportional to 72,545.04, 100,175.99 and 45,367.71

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Solution

The fourth proportional to 72,545.04, 100,175.99 and 45,367.71 is: 62,647.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,545.04 : 100,175.99 = 45,367.71 : x
  2. Step 2: Convert to fraction form
    72,545.04/100,175.99 = 45,367.71/x
  3. Step 3: Cross multiply
    72,545.04x = 100,175.99 × 45,367.71
  4. Step 4: Simplify right side
    72,545.04x = 4,544,755,036.44
  5. Step 5: Solve for x
    x = 4,544,755,036.44/72,545.04
  6. Step 6: Final answer
    x = 62,647.36

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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.