Home / 101,563.72-140,149.38-60,726.76

Finding the Fourth Proportional to 101,563.72, 140,149.38 and 60,726.76

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Solution

The fourth proportional to 101,563.72, 140,149.38 and 60,726.76 is: 83,797.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,563.72 : 140,149.38 = 60,726.76 : x
  2. Step 2: Convert to fraction form
    101,563.72/140,149.38 = 60,726.76/x
  3. Step 3: Cross multiply
    101,563.72x = 140,149.38 × 60,726.76
  4. Step 4: Simplify right side
    101,563.72x = 8,510,817,763.41
  5. Step 5: Solve for x
    x = 8,510,817,763.41/101,563.72
  6. Step 6: Final answer
    x = 83,797.81

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1.5x scale

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.