Home / 71,971.95-99,367.52-45,151.23

Finding the Fourth Proportional to 71,971.95, 99,367.52 and 45,151.23

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Solution

The fourth proportional to 71,971.95, 99,367.52 and 45,151.23 is: 62,337.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,971.95 : 99,367.52 = 45,151.23 : x
  2. Step 2: Convert to fraction form
    71,971.95/99,367.52 = 45,151.23/x
  3. Step 3: Cross multiply
    71,971.95x = 99,367.52 × 45,151.23
  4. Step 4: Simplify right side
    71,971.95x = 4,486,565,524.29
  5. Step 5: Solve for x
    x = 4,486,565,524.29/71,971.95
  6. Step 6: Final answer
    x = 62,337.70

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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.