Home / 123,948.90-185,923.71-49,086.72

Finding the Fourth Proportional to 123,948.90, 185,923.71 and 49,086.72

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Solution

The fourth proportional to 123,948.90, 185,923.71 and 49,086.72 is: 73,630.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,948.90 : 185,923.71 = 49,086.72 : x
  2. Step 2: Convert to fraction form
    123,948.90/185,923.71 = 49,086.72/x
  3. Step 3: Cross multiply
    123,948.90x = 185,923.71 × 49,086.72
  4. Step 4: Simplify right side
    123,948.90x = 9,126,385,094.13
  5. Step 5: Solve for x
    x = 9,126,385,094.13/123,948.90
  6. Step 6: Final answer
    x = 73,630.22

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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.