Home / 85,240.46-127,833.03-40,254.86

Finding the Fourth Proportional to 85,240.46, 127,833.03 and 40,254.86

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Solution

The fourth proportional to 85,240.46, 127,833.03 and 40,254.86 is: 60,369.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,240.46 : 127,833.03 = 40,254.86 : x
  2. Step 2: Convert to fraction form
    85,240.46/127,833.03 = 40,254.86/x
  3. Step 3: Cross multiply
    85,240.46x = 127,833.03 × 40,254.86
  4. Step 4: Simplify right side
    85,240.46x = 5,145,901,045.61
  5. Step 5: Solve for x
    x = 5,145,901,045.61/85,240.46
  6. Step 6: Final answer
    x = 60,369.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.