Home / 97,639.46-146,331.19-55,538.90

Finding the Fourth Proportional to 97,639.46, 146,331.19 and 55,538.90

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Solution

The fourth proportional to 97,639.46, 146,331.19 and 55,538.90 is: 83,235.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,639.46 : 146,331.19 = 55,538.90 : x
  2. Step 2: Convert to fraction form
    97,639.46/146,331.19 = 55,538.90/x
  3. Step 3: Cross multiply
    97,639.46x = 146,331.19 × 55,538.90
  4. Step 4: Simplify right side
    97,639.46x = 8,127,073,214.80
  5. Step 5: Solve for x
    x = 8,127,073,214.80/97,639.46
  6. Step 6: Final answer
    x = 83,235.54

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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.