Home / 80,854.04-121,294.02-34,113.80

Finding the Fourth Proportional to 80,854.04, 121,294.02 and 34,113.80

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Solution

The fourth proportional to 80,854.04, 121,294.02 and 34,113.80 is: 51,176.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,854.04 : 121,294.02 = 34,113.80 : x
  2. Step 2: Convert to fraction form
    80,854.04/121,294.02 = 34,113.80/x
  3. Step 3: Cross multiply
    80,854.04x = 121,294.02 × 34,113.80
  4. Step 4: Simplify right side
    80,854.04x = 4,137,799,939.48
  5. Step 5: Solve for x
    x = 4,137,799,939.48/80,854.04
  6. Step 6: Final answer
    x = 51,176.17

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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.