Home / 45,432.28-68,043.12-43,856.43

Finding the Fourth Proportional to 45,432.28, 68,043.12 and 43,856.43

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Solution

The fourth proportional to 45,432.28, 68,043.12 and 43,856.43 is: 65,683.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,432.28 : 68,043.12 = 43,856.43 : x
  2. Step 2: Convert to fraction form
    45,432.28/68,043.12 = 43,856.43/x
  3. Step 3: Cross multiply
    45,432.28x = 68,043.12 × 43,856.43
  4. Step 4: Simplify right side
    45,432.28x = 2,984,128,329.26
  5. Step 5: Solve for x
    x = 2,984,128,329.26/45,432.28
  6. Step 6: Final answer
    x = 65,683.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.