Home / 79,182.85-109,272.36-43,374.15

Finding the Fourth Proportional to 79,182.85, 109,272.36 and 43,374.15

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Solution

The fourth proportional to 79,182.85, 109,272.36 and 43,374.15 is: 59,856.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,182.85 : 109,272.36 = 43,374.15 : x
  2. Step 2: Convert to fraction form
    79,182.85/109,272.36 = 43,374.15/x
  3. Step 3: Cross multiply
    79,182.85x = 109,272.36 × 43,374.15
  4. Step 4: Simplify right side
    79,182.85x = 4,739,595,652.17
  5. Step 5: Solve for x
    x = 4,739,595,652.17/79,182.85
  6. Step 6: Final answer
    x = 59,856.34

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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.