Home / 80,378.72-110,896.08-48,535.52

Finding the Fourth Proportional to 80,378.72, 110,896.08 and 48,535.52

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Solution

The fourth proportional to 80,378.72, 110,896.08 and 48,535.52 is: 66,962.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,378.72 : 110,896.08 = 48,535.52 : x
  2. Step 2: Convert to fraction form
    80,378.72/110,896.08 = 48,535.52/x
  3. Step 3: Cross multiply
    80,378.72x = 110,896.08 × 48,535.52
  4. Step 4: Simplify right side
    80,378.72x = 5,382,398,908.76
  5. Step 5: Solve for x
    x = 5,382,398,908.76/80,378.72
  6. Step 6: Final answer
    x = 66,962.98

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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.