Home / 109,973.20-151,764.78-59,672.20

Finding the Fourth Proportional to 109,973.20, 151,764.78 and 59,672.20

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Solution

The fourth proportional to 109,973.20, 151,764.78 and 59,672.20 is: 82,348.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,973.20 : 151,764.78 = 59,672.20 : x
  2. Step 2: Convert to fraction form
    109,973.20/151,764.78 = 59,672.20/x
  3. Step 3: Cross multiply
    109,973.20x = 151,764.78 × 59,672.20
  4. Step 4: Simplify right side
    109,973.20x = 9,056,138,305.12
  5. Step 5: Solve for x
    x = 9,056,138,305.12/109,973.20
  6. Step 6: Final answer
    x = 82,348.59

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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.