Home / 72,877.16-100,575.71-40,613.95

Finding the Fourth Proportional to 72,877.16, 100,575.71 and 40,613.95

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Solution

The fourth proportional to 72,877.16, 100,575.71 and 40,613.95 is: 56,050.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,877.16 : 100,575.71 = 40,613.95 : x
  2. Step 2: Convert to fraction form
    72,877.16/100,575.71 = 40,613.95/x
  3. Step 3: Cross multiply
    72,877.16x = 100,575.71 × 40,613.95
  4. Step 4: Simplify right side
    72,877.16x = 4,084,776,932.11
  5. Step 5: Solve for x
    x = 4,084,776,932.11/72,877.16
  6. Step 6: Final answer
    x = 56,050.16

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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.