Home / 89,878.60-124,031.55-49,593.16

Finding the Fourth Proportional to 89,878.60, 124,031.55 and 49,593.16

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Solution

The fourth proportional to 89,878.60, 124,031.55 and 49,593.16 is: 68,438.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,878.60 : 124,031.55 = 49,593.16 : x
  2. Step 2: Convert to fraction form
    89,878.60/124,031.55 = 49,593.16/x
  3. Step 3: Cross multiply
    89,878.60x = 124,031.55 × 49,593.16
  4. Step 4: Simplify right side
    89,878.60x = 6,151,116,504.20
  5. Step 5: Solve for x
    x = 6,151,116,504.20/89,878.60
  6. Step 6: Final answer
    x = 68,438.05

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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.