Home / 50,098.76-69,136.18-28,877.88

Finding the Fourth Proportional to 50,098.76, 69,136.18 and 28,877.88

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Solution

The fourth proportional to 50,098.76, 69,136.18 and 28,877.88 is: 39,851.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,098.76 : 69,136.18 = 28,877.88 : x
  2. Step 2: Convert to fraction form
    50,098.76/69,136.18 = 28,877.88/x
  3. Step 3: Cross multiply
    50,098.76x = 69,136.18 × 28,877.88
  4. Step 4: Simplify right side
    50,098.76x = 1,996,506,309.70
  5. Step 5: Solve for x
    x = 1,996,506,309.70/50,098.76
  6. Step 6: Final answer
    x = 39,851.41

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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.