Home / 75,740.81-113,622.17-23,143.46

Finding the Fourth Proportional to 75,740.81, 113,622.17 and 23,143.46

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Solution

The fourth proportional to 75,740.81, 113,622.17 and 23,143.46 is: 34,718.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,740.81 : 113,622.17 = 23,143.46 : x
  2. Step 2: Convert to fraction form
    75,740.81/113,622.17 = 23,143.46/x
  3. Step 3: Cross multiply
    75,740.81x = 113,622.17 × 23,143.46
  4. Step 4: Simplify right side
    75,740.81x = 2,629,609,462.68
  5. Step 5: Solve for x
    x = 2,629,609,462.68/75,740.81
  6. Step 6: Final answer
    x = 34,718.53

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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.