Home / 89,555.46-134,380.23-39,670.02

Finding the Fourth Proportional to 89,555.46, 134,380.23 and 39,670.02

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Solution

The fourth proportional to 89,555.46, 134,380.23 and 39,670.02 is: 59,525.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,555.46 : 134,380.23 = 39,670.02 : x
  2. Step 2: Convert to fraction form
    89,555.46/134,380.23 = 39,670.02/x
  3. Step 3: Cross multiply
    89,555.46x = 134,380.23 × 39,670.02
  4. Step 4: Simplify right side
    89,555.46x = 5,330,866,411.70
  5. Step 5: Solve for x
    x = 5,330,866,411.70/89,555.46
  6. Step 6: Final answer
    x = 59,525.87

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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.