Home / 79,637.88-119,442.70-22,715.74

Finding the Fourth Proportional to 79,637.88, 119,442.70 and 22,715.74

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Solution

The fourth proportional to 79,637.88, 119,442.70 and 22,715.74 is: 34,069.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,637.88 : 119,442.70 = 22,715.74 : x
  2. Step 2: Convert to fraction form
    79,637.88/119,442.70 = 22,715.74/x
  3. Step 3: Cross multiply
    79,637.88x = 119,442.70 × 22,715.74
  4. Step 4: Simplify right side
    79,637.88x = 2,713,229,495.80
  5. Step 5: Solve for x
    x = 2,713,229,495.80/79,637.88
  6. Step 6: Final answer
    x = 34,069.58

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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.