Home / 72,887.28-100,585.08-41,049.96

Finding the Fourth Proportional to 72,887.28, 100,585.08 and 41,049.96

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Solution

The fourth proportional to 72,887.28, 100,585.08 and 41,049.96 is: 56,649.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,887.28 : 100,585.08 = 41,049.96 : x
  2. Step 2: Convert to fraction form
    72,887.28/100,585.08 = 41,049.96/x
  3. Step 3: Cross multiply
    72,887.28x = 100,585.08 × 41,049.96
  4. Step 4: Simplify right side
    72,887.28x = 4,129,013,510.60
  5. Step 5: Solve for x
    x = 4,129,013,510.60/72,887.28
  6. Step 6: Final answer
    x = 56,649.30

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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.