Home / 89,863.48-124,010.80-49,577.59

Finding the Fourth Proportional to 89,863.48, 124,010.80 and 49,577.59

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Solution

The fourth proportional to 89,863.48, 124,010.80 and 49,577.59 is: 68,416.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,863.48 : 124,010.80 = 49,577.59 : x
  2. Step 2: Convert to fraction form
    89,863.48/124,010.80 = 49,577.59/x
  3. Step 3: Cross multiply
    89,863.48x = 124,010.80 × 49,577.59
  4. Step 4: Simplify right side
    89,863.48x = 6,148,156,597.97
  5. Step 5: Solve for x
    x = 6,148,156,597.97/89,863.48
  6. Step 6: Final answer
    x = 68,416.63

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1.5x scale

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.