Home / 80,816.16-111,525.84-47,281.44

Finding the Fourth Proportional to 80,816.16, 111,525.84 and 47,281.44

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Solution

The fourth proportional to 80,816.16, 111,525.84 and 47,281.44 is: 65,248.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,816.16 : 111,525.84 = 47,281.44 : x
  2. Step 2: Convert to fraction form
    80,816.16/111,525.84 = 47,281.44/x
  3. Step 3: Cross multiply
    80,816.16x = 111,525.84 × 47,281.44
  4. Step 4: Simplify right side
    80,816.16x = 5,273,102,312.41
  5. Step 5: Solve for x
    x = 5,273,102,312.41/80,816.16
  6. Step 6: Final answer
    x = 65,248.12

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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.