Home / 89,864.64-124,020.24-49,586.40

Finding the Fourth Proportional to 89,864.64, 124,020.24 and 49,586.40

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Solution

The fourth proportional to 89,864.64, 124,020.24 and 49,586.40 is: 68,433.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,864.64 : 124,020.24 = 49,586.40 : x
  2. Step 2: Convert to fraction form
    89,864.64/124,020.24 = 49,586.40/x
  3. Step 3: Cross multiply
    89,864.64x = 124,020.24 × 49,586.40
  4. Step 4: Simplify right side
    89,864.64x = 6,149,717,228.74
  5. Step 5: Solve for x
    x = 6,149,717,228.74/89,864.64
  6. Step 6: Final answer
    x = 68,433.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.