Home / 87,278.24-130,795.32-47,210.73

Finding the Fourth Proportional to 87,278.24, 130,795.32 and 47,210.73

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Solution

The fourth proportional to 87,278.24, 130,795.32 and 47,210.73 is: 70,750.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,278.24 : 130,795.32 = 47,210.73 : x
  2. Step 2: Convert to fraction form
    87,278.24/130,795.32 = 47,210.73/x
  3. Step 3: Cross multiply
    87,278.24x = 130,795.32 × 47,210.73
  4. Step 4: Simplify right side
    87,278.24x = 6,174,942,537.78
  5. Step 5: Solve for x
    x = 6,174,942,537.78/87,278.24
  6. Step 6: Final answer
    x = 70,750.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.