Home / 80,679.33-111,342.87-44,875.71

Finding the Fourth Proportional to 80,679.33, 111,342.87 and 44,875.71

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Solution

The fourth proportional to 80,679.33, 111,342.87 and 44,875.71 is: 61,931.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,679.33 : 111,342.87 = 44,875.71 : x
  2. Step 2: Convert to fraction form
    80,679.33/111,342.87 = 44,875.71/x
  3. Step 3: Cross multiply
    80,679.33x = 111,342.87 × 44,875.71
  4. Step 4: Simplify right side
    80,679.33x = 4,996,590,344.69
  5. Step 5: Solve for x
    x = 4,996,590,344.69/80,679.33
  6. Step 6: Final answer
    x = 61,931.48

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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.