Home / 80,647.18-111,291.08-44,836.96

Finding the Fourth Proportional to 80,647.18, 111,291.08 and 44,836.96

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Solution

The fourth proportional to 80,647.18, 111,291.08 and 44,836.96 is: 61,873.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,647.18 : 111,291.08 = 44,836.96 : x
  2. Step 2: Convert to fraction form
    80,647.18/111,291.08 = 44,836.96/x
  3. Step 3: Cross multiply
    80,647.18x = 111,291.08 × 44,836.96
  4. Step 4: Simplify right side
    80,647.18x = 4,989,953,702.32
  5. Step 5: Solve for x
    x = 4,989,953,702.32/80,647.18
  6. Step 6: Final answer
    x = 61,873.88

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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.