Home / 87,482.02-120,734.88-49,242.74

Finding the Fourth Proportional to 87,482.02, 120,734.88 and 49,242.74

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Solution

The fourth proportional to 87,482.02, 120,734.88 and 49,242.74 is: 67,960.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,482.02 : 120,734.88 = 49,242.74 : x
  2. Step 2: Convert to fraction form
    87,482.02/120,734.88 = 49,242.74/x
  3. Step 3: Cross multiply
    87,482.02x = 120,734.88 × 49,242.74
  4. Step 4: Simplify right side
    87,482.02x = 5,945,316,304.77
  5. Step 5: Solve for x
    x = 5,945,316,304.77/87,482.02
  6. Step 6: Final answer
    x = 67,960.44

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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.