Home / 89,862.72-124,009.20-49,026.48

Finding the Fourth Proportional to 89,862.72, 124,009.20 and 49,026.48

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Solution

The fourth proportional to 89,862.72, 124,009.20 and 49,026.48 is: 67,655.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,862.72 : 124,009.20 = 49,026.48 : x
  2. Step 2: Convert to fraction form
    89,862.72/124,009.20 = 49,026.48/x
  3. Step 3: Cross multiply
    89,862.72x = 124,009.20 × 49,026.48
  4. Step 4: Simplify right side
    89,862.72x = 6,079,734,563.62
  5. Step 5: Solve for x
    x = 6,079,734,563.62/89,862.72
  6. Step 6: Final answer
    x = 67,655.80

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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.