Home / 75,560.06-113,266.16-28,140.36

Finding the Fourth Proportional to 75,560.06, 113,266.16 and 28,140.36

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Solution

The fourth proportional to 75,560.06, 113,266.16 and 28,140.36 is: 42,183.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,560.06 : 113,266.16 = 28,140.36 : x
  2. Step 2: Convert to fraction form
    75,560.06/113,266.16 = 28,140.36/x
  3. Step 3: Cross multiply
    75,560.06x = 113,266.16 × 28,140.36
  4. Step 4: Simplify right side
    75,560.06x = 3,187,350,518.22
  5. Step 5: Solve for x
    x = 3,187,350,518.22/75,560.06
  6. Step 6: Final answer
    x = 42,183.01

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1.5x scale

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.