Home / 80,681.06-111,338.27-44,870.30

Finding the Fourth Proportional to 80,681.06, 111,338.27 and 44,870.30

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Solution

The fourth proportional to 80,681.06, 111,338.27 and 44,870.30 is: 61,920.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,681.06 : 111,338.27 = 44,870.30 : x
  2. Step 2: Convert to fraction form
    80,681.06/111,338.27 = 44,870.30/x
  3. Step 3: Cross multiply
    80,681.06x = 111,338.27 × 44,870.30
  4. Step 4: Simplify right side
    80,681.06x = 4,995,781,576.38
  5. Step 5: Solve for x
    x = 4,995,781,576.38/80,681.06
  6. Step 6: Final answer
    x = 61,920.13

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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.