Home / 89,908.60-124,073.74-49,622.36

Finding the Fourth Proportional to 89,908.60, 124,073.74 and 49,622.36

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Solution

The fourth proportional to 89,908.60, 124,073.74 and 49,622.36 is: 68,478.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,908.60 : 124,073.74 = 49,622.36 : x
  2. Step 2: Convert to fraction form
    89,908.60/124,073.74 = 49,622.36/x
  3. Step 3: Cross multiply
    89,908.60x = 124,073.74 × 49,622.36
  4. Step 4: Simplify right side
    89,908.60x = 6,156,831,792.83
  5. Step 5: Solve for x
    x = 6,156,831,792.83/89,908.60
  6. Step 6: Final answer
    x = 68,478.79

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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.