Home / 57,034.73-78,708.11-31,884.23

Finding the Fourth Proportional to 57,034.73, 78,708.11 and 31,884.23

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Solution

The fourth proportional to 57,034.73, 78,708.11 and 31,884.23 is: 44,000.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,034.73 : 78,708.11 = 31,884.23 : x
  2. Step 2: Convert to fraction form
    57,034.73/78,708.11 = 31,884.23/x
  3. Step 3: Cross multiply
    57,034.73x = 78,708.11 × 31,884.23
  4. Step 4: Simplify right side
    57,034.73x = 2,509,547,519.45
  5. Step 5: Solve for x
    x = 2,509,547,519.45/57,034.73
  6. Step 6: Final answer
    x = 44,000.34

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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.