Home / 124,743.28-186,988.84-53,712.24

Finding the Fourth Proportional to 124,743.28, 186,988.84 and 53,712.24

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Solution

The fourth proportional to 124,743.28, 186,988.84 and 53,712.24 is: 80,514.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,743.28 : 186,988.84 = 53,712.24 : x
  2. Step 2: Convert to fraction form
    124,743.28/186,988.84 = 53,712.24/x
  3. Step 3: Cross multiply
    124,743.28x = 186,988.84 × 53,712.24
  4. Step 4: Simplify right side
    124,743.28x = 10,043,589,451.40
  5. Step 5: Solve for x
    x = 10,043,589,451.40/124,743.28
  6. Step 6: Final answer
    x = 80,514.07

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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.