Home / 83,355.04-125,303.50-66,895.43

Finding the Fourth Proportional to 83,355.04, 125,303.50 and 66,895.43

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Solution

The fourth proportional to 83,355.04, 125,303.50 and 66,895.43 is: 100,560.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,355.04 : 125,303.50 = 66,895.43 : x
  2. Step 2: Convert to fraction form
    83,355.04/125,303.50 = 66,895.43/x
  3. Step 3: Cross multiply
    83,355.04x = 125,303.50 × 66,895.43
  4. Step 4: Simplify right side
    83,355.04x = 8,382,231,513.01
  5. Step 5: Solve for x
    x = 8,382,231,513.01/83,355.04
  6. Step 6: Final answer
    x = 100,560.59

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