Home / 88,233.52-121,762.84-47,947.64

Finding the Fourth Proportional to 88,233.52, 121,762.84 and 47,947.64

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Solution

The fourth proportional to 88,233.52, 121,762.84 and 47,947.64 is: 66,168.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,233.52 : 121,762.84 = 47,947.64 : x
  2. Step 2: Convert to fraction form
    88,233.52/121,762.84 = 47,947.64/x
  3. Step 3: Cross multiply
    88,233.52x = 121,762.84 × 47,947.64
  4. Step 4: Simplify right side
    88,233.52x = 5,838,240,817.70
  5. Step 5: Solve for x
    x = 5,838,240,817.70/88,233.52
  6. Step 6: Final answer
    x = 66,168.06

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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.