Home / 69,076.16-95,328.60-40,781.24

Finding the Fourth Proportional to 69,076.16, 95,328.60 and 40,781.24

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Solution

The fourth proportional to 69,076.16, 95,328.60 and 40,781.24 is: 56,280.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,076.16 : 95,328.60 = 40,781.24 : x
  2. Step 2: Convert to fraction form
    69,076.16/95,328.60 = 40,781.24/x
  3. Step 3: Cross multiply
    69,076.16x = 95,328.60 × 40,781.24
  4. Step 4: Simplify right side
    69,076.16x = 3,887,618,515.46
  5. Step 5: Solve for x
    x = 3,887,618,515.46/69,076.16
  6. Step 6: Final answer
    x = 56,280.18

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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.