Home / 89,957.70-124,143.56-49,674.04

Finding the Fourth Proportional to 89,957.70, 124,143.56 and 49,674.04

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Solution

The fourth proportional to 89,957.70, 124,143.56 and 49,674.04 is: 68,551.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,957.70 : 124,143.56 = 49,674.04 : x
  2. Step 2: Convert to fraction form
    89,957.70/124,143.56 = 49,674.04/x
  3. Step 3: Cross multiply
    89,957.70x = 124,143.56 × 49,674.04
  4. Step 4: Simplify right side
    89,957.70x = 6,166,712,165.18
  5. Step 5: Solve for x
    x = 6,166,712,165.18/89,957.70
  6. Step 6: Final answer
    x = 68,551.24

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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.