Home / 123,988.14-185,877.11-49,161.15

Finding the Fourth Proportional to 123,988.14, 185,877.11 and 49,161.15

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Solution

The fourth proportional to 123,988.14, 185,877.11 and 49,161.15 is: 73,700.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,988.14 : 185,877.11 = 49,161.15 : x
  2. Step 2: Convert to fraction form
    123,988.14/185,877.11 = 49,161.15/x
  3. Step 3: Cross multiply
    123,988.14x = 185,877.11 × 49,161.15
  4. Step 4: Simplify right side
    123,988.14x = 9,137,932,240.47
  5. Step 5: Solve for x
    x = 9,137,932,240.47/123,988.14
  6. Step 6: Final answer
    x = 73,700.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.