Home / 81,229.84-121,873.92-59,005.60

Finding the Fourth Proportional to 81,229.84, 121,873.92 and 59,005.60

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Solution

The fourth proportional to 81,229.84, 121,873.92 and 59,005.60 is: 88,529.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,229.84 : 121,873.92 = 59,005.60 : x
  2. Step 2: Convert to fraction form
    81,229.84/121,873.92 = 59,005.60/x
  3. Step 3: Cross multiply
    81,229.84x = 121,873.92 × 59,005.60
  4. Step 4: Simplify right side
    81,229.84x = 7,191,243,773.95
  5. Step 5: Solve for x
    x = 7,191,243,773.95/81,229.84
  6. Step 6: Final answer
    x = 88,529.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.