Home / 73,480.12-101,405.19-45,180.34

Finding the Fourth Proportional to 73,480.12, 101,405.19 and 45,180.34

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Solution

The fourth proportional to 73,480.12, 101,405.19 and 45,180.34 is: 62,350.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,480.12 : 101,405.19 = 45,180.34 : x
  2. Step 2: Convert to fraction form
    73,480.12/101,405.19 = 45,180.34/x
  3. Step 3: Cross multiply
    73,480.12x = 101,405.19 × 45,180.34
  4. Step 4: Simplify right side
    73,480.12x = 4,581,520,961.96
  5. Step 5: Solve for x
    x = 4,581,520,961.96/73,480.12
  6. Step 6: Final answer
    x = 62,350.48

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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.