Home / 80,896.76-111,641.33-45,087.02

Finding the Fourth Proportional to 80,896.76, 111,641.33 and 45,087.02

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Solution

The fourth proportional to 80,896.76, 111,641.33 and 45,087.02 is: 62,222.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,896.76 : 111,641.33 = 45,087.02 : x
  2. Step 2: Convert to fraction form
    80,896.76/111,641.33 = 45,087.02/x
  3. Step 3: Cross multiply
    80,896.76x = 111,641.33 × 45,087.02
  4. Step 4: Simplify right side
    80,896.76x = 5,033,574,094.89
  5. Step 5: Solve for x
    x = 5,033,574,094.89/80,896.76
  6. Step 6: Final answer
    x = 62,222.20

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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.