Home / 124,857.75-172,301.08-68,269.13

Finding the Fourth Proportional to 124,857.75, 172,301.08 and 68,269.13

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Solution

The fourth proportional to 124,857.75, 172,301.08 and 68,269.13 is: 94,209.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,857.75 : 172,301.08 = 68,269.13 : x
  2. Step 2: Convert to fraction form
    124,857.75/172,301.08 = 68,269.13/x
  3. Step 3: Cross multiply
    124,857.75x = 172,301.08 × 68,269.13
  4. Step 4: Simplify right side
    124,857.75x = 11,762,843,626.81
  5. Step 5: Solve for x
    x = 11,762,843,626.81/124,857.75
  6. Step 6: Final answer
    x = 94,209.96

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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.