Home / 87,004.41-120,123.93-66,825.22

Finding the Fourth Proportional to 87,004.41, 120,123.93 and 66,825.22

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Solution

The fourth proportional to 87,004.41, 120,123.93 and 66,825.22 is: 92,263.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,004.41 : 120,123.93 = 66,825.22 : x
  2. Step 2: Convert to fraction form
    87,004.41/120,123.93 = 66,825.22/x
  3. Step 3: Cross multiply
    87,004.41x = 120,123.93 × 66,825.22
  4. Step 4: Simplify right side
    87,004.41x = 8,027,308,049.51
  5. Step 5: Solve for x
    x = 8,027,308,049.51/87,004.41
  6. Step 6: Final answer
    x = 92,263.23

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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.