Home / 107,391.27-148,077.67-68,576.80

Finding the Fourth Proportional to 107,391.27, 148,077.67 and 68,576.80

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Solution

The fourth proportional to 107,391.27, 148,077.67 and 68,576.80 is: 94,557.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,391.27 : 148,077.67 = 68,576.80 : x
  2. Step 2: Convert to fraction form
    107,391.27/148,077.67 = 68,576.80/x
  3. Step 3: Cross multiply
    107,391.27x = 148,077.67 × 68,576.80
  4. Step 4: Simplify right side
    107,391.27x = 10,154,693,041.12
  5. Step 5: Solve for x
    x = 10,154,693,041.12/107,391.27
  6. Step 6: Final answer
    x = 94,557.90

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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.