Home / 45,432.56-68,043-43,856.12

Finding the Fourth Proportional to 45,432.56, 68,043 and 43,856.12

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Solution

The fourth proportional to 45,432.56, 68,043 and 43,856.12 is: 65,682.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,432.56 : 68,043 = 43,856.12 : x
  2. Step 2: Convert to fraction form
    45,432.56/68,043 = 43,856.12/x
  3. Step 3: Cross multiply
    45,432.56x = 68,043 × 43,856.12
  4. Step 4: Simplify right side
    45,432.56x = 2,984,101,973.16
  5. Step 5: Solve for x
    x = 2,984,101,973.16/45,432.56
  6. Step 6: Final answer
    x = 65,682.01

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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.