Home / 88,238.52-121,768.02-47,951.28

Finding the Fourth Proportional to 88,238.52, 121,768.02 and 47,951.28

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Solution

The fourth proportional to 88,238.52, 121,768.02 and 47,951.28 is: 66,172.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,238.52 : 121,768.02 = 47,951.28 : x
  2. Step 2: Convert to fraction form
    88,238.52/121,768.02 = 47,951.28/x
  3. Step 3: Cross multiply
    88,238.52x = 121,768.02 × 47,951.28
  4. Step 4: Simplify right side
    88,238.52x = 5,838,932,422.07
  5. Step 5: Solve for x
    x = 5,838,932,422.07/88,238.52
  6. Step 6: Final answer
    x = 66,172.15

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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.