Home / 45,143.53-62,281.34-29,236.75

Finding the Fourth Proportional to 45,143.53, 62,281.34 and 29,236.75

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Solution

The fourth proportional to 45,143.53, 62,281.34 and 29,236.75 is: 40,335.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,143.53 : 62,281.34 = 29,236.75 : x
  2. Step 2: Convert to fraction form
    45,143.53/62,281.34 = 29,236.75/x
  3. Step 3: Cross multiply
    45,143.53x = 62,281.34 × 29,236.75
  4. Step 4: Simplify right side
    45,143.53x = 1,820,903,967.25
  5. Step 5: Solve for x
    x = 1,820,903,967.25/45,143.53
  6. Step 6: Final answer
    x = 40,335.88

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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.