Home / 87,848.30-121,230.70-47,562.07

Finding the Fourth Proportional to 87,848.30, 121,230.70 and 47,562.07

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Solution

The fourth proportional to 87,848.30, 121,230.70 and 47,562.07 is: 65,635.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,848.30 : 121,230.70 = 47,562.07 : x
  2. Step 2: Convert to fraction form
    87,848.30/121,230.70 = 47,562.07/x
  3. Step 3: Cross multiply
    87,848.30x = 121,230.70 × 47,562.07
  4. Step 4: Simplify right side
    87,848.30x = 5,765,983,039.55
  5. Step 5: Solve for x
    x = 5,765,983,039.55/87,848.30
  6. Step 6: Final answer
    x = 65,635.68

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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.