Home / 88,149.92-121,643.28-47,862.12

Finding the Fourth Proportional to 88,149.92, 121,643.28 and 47,862.12

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Solution

The fourth proportional to 88,149.92, 121,643.28 and 47,862.12 is: 66,047.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,149.92 : 121,643.28 = 47,862.12 : x
  2. Step 2: Convert to fraction form
    88,149.92/121,643.28 = 47,862.12/x
  3. Step 3: Cross multiply
    88,149.92x = 121,643.28 × 47,862.12
  4. Step 4: Simplify right side
    88,149.92x = 5,822,105,264.55
  5. Step 5: Solve for x
    x = 5,822,105,264.55/88,149.92
  6. Step 6: Final answer
    x = 66,047.77

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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.