Home / 88,001.52-121,393.08-52,157.04

Finding the Fourth Proportional to 88,001.52, 121,393.08 and 52,157.04

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Solution

The fourth proportional to 88,001.52, 121,393.08 and 52,157.04 is: 71,947.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,001.52 : 121,393.08 = 52,157.04 : x
  2. Step 2: Convert to fraction form
    88,001.52/121,393.08 = 52,157.04/x
  3. Step 3: Cross multiply
    88,001.52x = 121,393.08 × 52,157.04
  4. Step 4: Simplify right side
    88,001.52x = 6,331,503,729.28
  5. Step 5: Solve for x
    x = 6,331,503,729.28/88,001.52
  6. Step 6: Final answer
    x = 71,947.66

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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.