Home / 79,026.17-118,585.40-31,663.95

Finding the Fourth Proportional to 79,026.17, 118,585.40 and 31,663.95

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Solution

The fourth proportional to 79,026.17, 118,585.40 and 31,663.95 is: 47,514.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,026.17 : 118,585.40 = 31,663.95 : x
  2. Step 2: Convert to fraction form
    79,026.17/118,585.40 = 31,663.95/x
  3. Step 3: Cross multiply
    79,026.17x = 118,585.40 × 31,663.95
  4. Step 4: Simplify right side
    79,026.17x = 3,754,882,176.33
  5. Step 5: Solve for x
    x = 3,754,882,176.33/79,026.17
  6. Step 6: Final answer
    x = 47,514.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.