Home / 80,803.24-121,182.18-30,848.92

Finding the Fourth Proportional to 80,803.24, 121,182.18 and 30,848.92

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Solution

The fourth proportional to 80,803.24, 121,182.18 and 30,848.92 is: 46,264.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,803.24 : 121,182.18 = 30,848.92 : x
  2. Step 2: Convert to fraction form
    80,803.24/121,182.18 = 30,848.92/x
  3. Step 3: Cross multiply
    80,803.24x = 121,182.18 × 30,848.92
  4. Step 4: Simplify right side
    80,803.24x = 3,738,339,376.25
  5. Step 5: Solve for x
    x = 3,738,339,376.25/80,803.24
  6. Step 6: Final answer
    x = 46,264.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.