Home / 90,864.56-136,355.16-44,091.92

Finding the Fourth Proportional to 90,864.56, 136,355.16 and 44,091.92

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Solution

The fourth proportional to 90,864.56, 136,355.16 and 44,091.92 is: 66,166.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,864.56 : 136,355.16 = 44,091.92 : x
  2. Step 2: Convert to fraction form
    90,864.56/136,355.16 = 44,091.92/x
  3. Step 3: Cross multiply
    90,864.56x = 136,355.16 × 44,091.92
  4. Step 4: Simplify right side
    90,864.56x = 6,012,160,806.31
  5. Step 5: Solve for x
    x = 6,012,160,806.31/90,864.56
  6. Step 6: Final answer
    x = 66,166.18

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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.