Home / 71,119.16-98,147.25-40,904.44

Finding the Fourth Proportional to 71,119.16, 98,147.25 and 40,904.44

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Solution

The fourth proportional to 71,119.16, 98,147.25 and 40,904.44 is: 56,449.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,119.16 : 98,147.25 = 40,904.44 : x
  2. Step 2: Convert to fraction form
    71,119.16/98,147.25 = 40,904.44/x
  3. Step 3: Cross multiply
    71,119.16x = 98,147.25 × 40,904.44
  4. Step 4: Simplify right side
    71,119.16x = 4,014,658,298.79
  5. Step 5: Solve for x
    x = 4,014,658,298.79/71,119.16
  6. Step 6: Final answer
    x = 56,449.75

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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.