Home / 81,500.33-112,475.86-45,692.66

Finding the Fourth Proportional to 81,500.33, 112,475.86 and 45,692.66

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Solution

The fourth proportional to 81,500.33, 112,475.86 and 45,692.66 is: 63,058.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,500.33 : 112,475.86 = 45,692.66 : x
  2. Step 2: Convert to fraction form
    81,500.33/112,475.86 = 45,692.66/x
  3. Step 3: Cross multiply
    81,500.33x = 112,475.86 × 45,692.66
  4. Step 4: Simplify right side
    81,500.33x = 5,139,321,396.15
  5. Step 5: Solve for x
    x = 5,139,321,396.15/81,500.33
  6. Step 6: Final answer
    x = 63,058.90

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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.