Home / 89,478.74-134,240.07-44,521.31

Finding the Fourth Proportional to 89,478.74, 134,240.07 and 44,521.31

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Solution

The fourth proportional to 89,478.74, 134,240.07 and 44,521.31 is: 66,792.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,478.74 : 134,240.07 = 44,521.31 : x
  2. Step 2: Convert to fraction form
    89,478.74/134,240.07 = 44,521.31/x
  3. Step 3: Cross multiply
    89,478.74x = 134,240.07 × 44,521.31
  4. Step 4: Simplify right side
    89,478.74x = 5,976,543,770.89
  5. Step 5: Solve for x
    x = 5,976,543,770.89/89,478.74
  6. Step 6: Final answer
    x = 66,792.89

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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.