Home / 84,937.10-127,405.65-73,273.10

Finding the Fourth Proportional to 84,937.10, 127,405.65 and 73,273.10

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Solution

The fourth proportional to 84,937.10, 127,405.65 and 73,273.10 is: 109,909.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,937.10 : 127,405.65 = 73,273.10 : x
  2. Step 2: Convert to fraction form
    84,937.10/127,405.65 = 73,273.10/x
  3. Step 3: Cross multiply
    84,937.10x = 127,405.65 × 73,273.10
  4. Step 4: Simplify right side
    84,937.10x = 9,335,406,933.02
  5. Step 5: Solve for x
    x = 9,335,406,933.02/84,937.10
  6. Step 6: Final answer
    x = 109,909.65

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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.