Home / 88,210.53-121,780.98-58,083.39

Finding the Fourth Proportional to 88,210.53, 121,780.98 and 58,083.39

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Solution

The fourth proportional to 88,210.53, 121,780.98 and 58,083.39 is: 80,188.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,210.53 : 121,780.98 = 58,083.39 : x
  2. Step 2: Convert to fraction form
    88,210.53/121,780.98 = 58,083.39/x
  3. Step 3: Cross multiply
    88,210.53x = 121,780.98 × 58,083.39
  4. Step 4: Simplify right side
    88,210.53x = 7,073,452,155.92
  5. Step 5: Solve for x
    x = 7,073,452,155.92/88,210.53
  6. Step 6: Final answer
    x = 80,188.30

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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.