Home / 89,981.50-124,174.48-52,258.18

Finding the Fourth Proportional to 89,981.50, 124,174.48 and 52,258.18

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Solution

The fourth proportional to 89,981.50, 124,174.48 and 52,258.18 is: 72,116.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,981.50 : 124,174.48 = 52,258.18 : x
  2. Step 2: Convert to fraction form
    89,981.50/124,174.48 = 52,258.18/x
  3. Step 3: Cross multiply
    89,981.50x = 124,174.48 × 52,258.18
  4. Step 4: Simplify right side
    89,981.50x = 6,489,132,327.25
  5. Step 5: Solve for x
    x = 6,489,132,327.25/89,981.50
  6. Step 6: Final answer
    x = 72,116.29

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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.