Home / 61,210.66-84,449.04-40,002.22

Finding the Fourth Proportional to 61,210.66, 84,449.04 and 40,002.22

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Solution

The fourth proportional to 61,210.66, 84,449.04 and 40,002.22 is: 55,188.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,210.66 : 84,449.04 = 40,002.22 : x
  2. Step 2: Convert to fraction form
    61,210.66/84,449.04 = 40,002.22/x
  3. Step 3: Cross multiply
    61,210.66x = 84,449.04 × 40,002.22
  4. Step 4: Simplify right side
    61,210.66x = 3,378,149,076.87
  5. Step 5: Solve for x
    x = 3,378,149,076.87/61,210.66
  6. Step 6: Final answer
    x = 55,188.90

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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.