Home / 87,562.14-120,835.65-51,765.06

Finding the Fourth Proportional to 87,562.14, 120,835.65 and 51,765.06

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Solution

The fourth proportional to 87,562.14, 120,835.65 and 51,765.06 is: 71,435.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,562.14 : 120,835.65 = 51,765.06 : x
  2. Step 2: Convert to fraction form
    87,562.14/120,835.65 = 51,765.06/x
  3. Step 3: Cross multiply
    87,562.14x = 120,835.65 × 51,765.06
  4. Step 4: Simplify right side
    87,562.14x = 6,255,064,672.39
  5. Step 5: Solve for x
    x = 6,255,064,672.39/87,562.14
  6. Step 6: Final answer
    x = 71,435.72

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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.