Home / 80,586.28-111,196.02-44,775.64

Finding the Fourth Proportional to 80,586.28, 111,196.02 and 44,775.64

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Solution

The fourth proportional to 80,586.28, 111,196.02 and 44,775.64 is: 61,783.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,586.28 : 111,196.02 = 44,775.64 : x
  2. Step 2: Convert to fraction form
    80,586.28/111,196.02 = 44,775.64/x
  3. Step 3: Cross multiply
    80,586.28x = 111,196.02 × 44,775.64
  4. Step 4: Simplify right side
    80,586.28x = 4,978,872,960.95
  5. Step 5: Solve for x
    x = 4,978,872,960.95/80,586.28
  6. Step 6: Final answer
    x = 61,783.13

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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.