Home / 89,878.16-124,032.54-49,593.42

Finding the Fourth Proportional to 89,878.16, 124,032.54 and 49,593.42

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Solution

The fourth proportional to 89,878.16, 124,032.54 and 49,593.42 is: 68,439.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,878.16 : 124,032.54 = 49,593.42 : x
  2. Step 2: Convert to fraction form
    89,878.16/124,032.54 = 49,593.42/x
  3. Step 3: Cross multiply
    89,878.16x = 124,032.54 × 49,593.42
  4. Step 4: Simplify right side
    89,878.16x = 6,151,197,849.89
  5. Step 5: Solve for x
    x = 6,151,197,849.89/89,878.16
  6. Step 6: Final answer
    x = 68,439.30

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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.