Home / 125,116.38-172,661.49-68,527.62

Finding the Fourth Proportional to 125,116.38, 172,661.49 and 68,527.62

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Solution

The fourth proportional to 125,116.38, 172,661.49 and 68,527.62 is: 94,568.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,116.38 : 172,661.49 = 68,527.62 : x
  2. Step 2: Convert to fraction form
    125,116.38/172,661.49 = 68,527.62/x
  3. Step 3: Cross multiply
    125,116.38x = 172,661.49 × 68,527.62
  4. Step 4: Simplify right side
    125,116.38x = 11,832,080,975.35
  5. Step 5: Solve for x
    x = 11,832,080,975.35/125,116.38
  6. Step 6: Final answer
    x = 94,568.60

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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.