Home / 125,088.29-172,621.61-67,727.60

Finding the Fourth Proportional to 125,088.29, 172,621.61 and 67,727.60

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Solution

The fourth proportional to 125,088.29, 172,621.61 and 67,727.60 is: 93,463.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,088.29 : 172,621.61 = 67,727.60 : x
  2. Step 2: Convert to fraction form
    125,088.29/172,621.61 = 67,727.60/x
  3. Step 3: Cross multiply
    125,088.29x = 172,621.61 × 67,727.60
  4. Step 4: Simplify right side
    125,088.29x = 11,691,247,353.44
  5. Step 5: Solve for x
    x = 11,691,247,353.44/125,088.29
  6. Step 6: Final answer
    x = 93,463.96

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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.