Home / 75,534.24-104,234.40-42,002.40

Finding the Fourth Proportional to 75,534.24, 104,234.40 and 42,002.40

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Solution

The fourth proportional to 75,534.24, 104,234.40 and 42,002.40 is: 57,961.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,534.24 : 104,234.40 = 42,002.40 : x
  2. Step 2: Convert to fraction form
    75,534.24/104,234.40 = 42,002.40/x
  3. Step 3: Cross multiply
    75,534.24x = 104,234.40 × 42,002.40
  4. Step 4: Simplify right side
    75,534.24x = 4,378,094,962.56
  5. Step 5: Solve for x
    x = 4,378,094,962.56/75,534.24
  6. Step 6: Final answer
    x = 57,961.73

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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.