Home / 61,366.16-84,683.84-40,144.97

Finding the Fourth Proportional to 61,366.16, 84,683.84 and 40,144.97

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Solution

The fourth proportional to 61,366.16, 84,683.84 and 40,144.97 is: 55,399.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,366.16 : 84,683.84 = 40,144.97 : x
  2. Step 2: Convert to fraction form
    61,366.16/84,683.84 = 40,144.97/x
  3. Step 3: Cross multiply
    61,366.16x = 84,683.84 × 40,144.97
  4. Step 4: Simplify right side
    61,366.16x = 3,399,630,227.27
  5. Step 5: Solve for x
    x = 3,399,630,227.27/61,366.16
  6. Step 6: Final answer
    x = 55,399.10

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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.