Home / 109,079.40-150,532.63-60,682.87

Finding the Fourth Proportional to 109,079.40, 150,532.63 and 60,682.87

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Solution

The fourth proportional to 109,079.40, 150,532.63 and 60,682.87 is: 83,744.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,079.40 : 150,532.63 = 60,682.87 : x
  2. Step 2: Convert to fraction form
    109,079.40/150,532.63 = 60,682.87/x
  3. Step 3: Cross multiply
    109,079.40x = 150,532.63 × 60,682.87
  4. Step 4: Simplify right side
    109,079.40x = 9,134,752,437.52
  5. Step 5: Solve for x
    x = 9,134,752,437.52/109,079.40
  6. Step 6: Final answer
    x = 83,744.07

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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.