Home / 83,331.45-114,979.10-49,322.93

Finding the Fourth Proportional to 83,331.45, 114,979.10 and 49,322.93

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Solution

The fourth proportional to 83,331.45, 114,979.10 and 49,322.93 is: 68,054.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,331.45 : 114,979.10 = 49,322.93 : x
  2. Step 2: Convert to fraction form
    83,331.45/114,979.10 = 49,322.93/x
  3. Step 3: Cross multiply
    83,331.45x = 114,979.10 × 49,322.93
  4. Step 4: Simplify right side
    83,331.45x = 5,671,105,279.25
  5. Step 5: Solve for x
    x = 5,671,105,279.25/83,331.45
  6. Step 6: Final answer
    x = 68,054.80

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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.