Home / 88,203.43-121,731.16-52,393.58

Finding the Fourth Proportional to 88,203.43, 121,731.16 and 52,393.58

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Solution

The fourth proportional to 88,203.43, 121,731.16 and 52,393.58 is: 72,309.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,203.43 : 121,731.16 = 52,393.58 : x
  2. Step 2: Convert to fraction form
    88,203.43/121,731.16 = 52,393.58/x
  3. Step 3: Cross multiply
    88,203.43x = 121,731.16 × 52,393.58
  4. Step 4: Simplify right side
    88,203.43x = 6,377,931,269.95
  5. Step 5: Solve for x
    x = 6,377,931,269.95/88,203.43
  6. Step 6: Final answer
    x = 72,309.34

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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.