Home / 73,587.20-101,549.40-40,053.20

Finding the Fourth Proportional to 73,587.20, 101,549.40 and 40,053.20

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Solution

The fourth proportional to 73,587.20, 101,549.40 and 40,053.20 is: 55,272.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,587.20 : 101,549.40 = 40,053.20 : x
  2. Step 2: Convert to fraction form
    73,587.20/101,549.40 = 40,053.20/x
  3. Step 3: Cross multiply
    73,587.20x = 101,549.40 × 40,053.20
  4. Step 4: Simplify right side
    73,587.20x = 4,067,378,428.08
  5. Step 5: Solve for x
    x = 4,067,378,428.08/73,587.20
  6. Step 6: Final answer
    x = 55,272.91

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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.