Home / 80,617.60-111,239.84-44,807.52

Finding the Fourth Proportional to 80,617.60, 111,239.84 and 44,807.52

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Solution

The fourth proportional to 80,617.60, 111,239.84 and 44,807.52 is: 61,827.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,617.60 : 111,239.84 = 44,807.52 : x
  2. Step 2: Convert to fraction form
    80,617.60/111,239.84 = 44,807.52/x
  3. Step 3: Cross multiply
    80,617.60x = 111,239.84 × 44,807.52
  4. Step 4: Simplify right side
    80,617.60x = 4,984,381,355.60
  5. Step 5: Solve for x
    x = 4,984,381,355.60/80,617.60
  6. Step 6: Final answer
    x = 61,827.46

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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.