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Finding the Fourth Proportional to 79,192.67, 109,275.72 and 63,100.80

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Solution

The fourth proportional to 79,192.67, 109,275.72 and 63,100.80 is: 87,071.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,192.67 : 109,275.72 = 63,100.80 : x
  2. Step 2: Convert to fraction form
    79,192.67/109,275.72 = 63,100.80/x
  3. Step 3: Cross multiply
    79,192.67x = 109,275.72 × 63,100.80
  4. Step 4: Simplify right side
    79,192.67x = 6,895,385,352.58
  5. Step 5: Solve for x
    x = 6,895,385,352.58/79,192.67
  6. Step 6: Final answer
    x = 87,071.01

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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.