Home / 57,776.20-86,729.10-44,686.60

Finding the Fourth Proportional to 57,776.20, 86,729.10 and 44,686.60

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Solution

The fourth proportional to 57,776.20, 86,729.10 and 44,686.60 is: 67,080.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,776.20 : 86,729.10 = 44,686.60 : x
  2. Step 2: Convert to fraction form
    57,776.20/86,729.10 = 44,686.60/x
  3. Step 3: Cross multiply
    57,776.20x = 86,729.10 × 44,686.60
  4. Step 4: Simplify right side
    57,776.20x = 3,875,628,600.06
  5. Step 5: Solve for x
    x = 3,875,628,600.06/57,776.20
  6. Step 6: Final answer
    x = 67,080.02

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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.