Home / 124,644.81-172,016.19-70,937.49

Finding the Fourth Proportional to 124,644.81, 172,016.19 and 70,937.49

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Solution

The fourth proportional to 124,644.81, 172,016.19 and 70,937.49 is: 97,897.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,644.81 : 172,016.19 = 70,937.49 : x
  2. Step 2: Convert to fraction form
    124,644.81/172,016.19 = 70,937.49/x
  3. Step 3: Cross multiply
    124,644.81x = 172,016.19 × 70,937.49
  4. Step 4: Simplify right side
    124,644.81x = 12,202,396,757.96
  5. Step 5: Solve for x
    x = 12,202,396,757.96/124,644.81
  6. Step 6: Final answer
    x = 97,897.35

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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.