Home / 88,383.68-121,929.10-52,553.28

Finding the Fourth Proportional to 88,383.68, 121,929.10 and 52,553.28

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Solution

The fourth proportional to 88,383.68, 121,929.10 and 52,553.28 is: 72,499.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,383.68 : 121,929.10 = 52,553.28 : x
  2. Step 2: Convert to fraction form
    88,383.68/121,929.10 = 52,553.28/x
  3. Step 3: Cross multiply
    88,383.68x = 121,929.10 × 52,553.28
  4. Step 4: Simplify right side
    88,383.68x = 6,407,774,132.45
  5. Step 5: Solve for x
    x = 6,407,774,132.45/88,383.68
  6. Step 6: Final answer
    x = 72,499.52

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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.