Home / 80,637.30-111,280.86-44,340.30

Finding the Fourth Proportional to 80,637.30, 111,280.86 and 44,340.30

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Solution

The fourth proportional to 80,637.30, 111,280.86 and 44,340.30 is: 61,190.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,637.30 : 111,280.86 = 44,340.30 : x
  2. Step 2: Convert to fraction form
    80,637.30/111,280.86 = 44,340.30/x
  3. Step 3: Cross multiply
    80,637.30x = 111,280.86 × 44,340.30
  4. Step 4: Simplify right side
    80,637.30x = 4,934,226,716.66
  5. Step 5: Solve for x
    x = 4,934,226,716.66/80,637.30
  6. Step 6: Final answer
    x = 61,190.38

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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.