Home / 55,645.14-83,287.08-40,850.76

Finding the Fourth Proportional to 55,645.14, 83,287.08 and 40,850.76

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Solution

The fourth proportional to 55,645.14, 83,287.08 and 40,850.76 is: 61,143.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,645.14 : 83,287.08 = 40,850.76 : x
  2. Step 2: Convert to fraction form
    55,645.14/83,287.08 = 40,850.76/x
  3. Step 3: Cross multiply
    55,645.14x = 83,287.08 × 40,850.76
  4. Step 4: Simplify right side
    55,645.14x = 3,402,340,516.18
  5. Step 5: Solve for x
    x = 3,402,340,516.18/55,645.14
  6. Step 6: Final answer
    x = 61,143.53

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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.