Home / 87,844.30-121,225.18-47,558.07

Finding the Fourth Proportional to 87,844.30, 121,225.18 and 47,558.07

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Solution

The fourth proportional to 87,844.30, 121,225.18 and 47,558.07 is: 65,630.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,844.30 : 121,225.18 = 47,558.07 : x
  2. Step 2: Convert to fraction form
    87,844.30/121,225.18 = 47,558.07/x
  3. Step 3: Cross multiply
    87,844.30x = 121,225.18 × 47,558.07
  4. Step 4: Simplify right side
    87,844.30x = 5,765,235,596.20
  5. Step 5: Solve for x
    x = 5,765,235,596.20/87,844.30
  6. Step 6: Final answer
    x = 65,630.16

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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.