Home / 89,981.44-124,174.40-52,258.12

Finding the Fourth Proportional to 89,981.44, 124,174.40 and 52,258.12

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Solution

The fourth proportional to 89,981.44, 124,174.40 and 52,258.12 is: 72,116.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,981.44 : 124,174.40 = 52,258.12 : x
  2. Step 2: Convert to fraction form
    89,981.44/124,174.40 = 52,258.12/x
  3. Step 3: Cross multiply
    89,981.44x = 124,174.40 × 52,258.12
  4. Step 4: Simplify right side
    89,981.44x = 6,489,120,124.40
  5. Step 5: Solve for x
    x = 6,489,120,124.40/89,981.44
  6. Step 6: Final answer
    x = 72,116.21

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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.