Home / 53,882.77-74,358.20-31,234.90

Finding the Fourth Proportional to 53,882.77, 74,358.20 and 31,234.90

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Solution

The fourth proportional to 53,882.77, 74,358.20 and 31,234.90 is: 43,104.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,882.77 : 74,358.20 = 31,234.90 : x
  2. Step 2: Convert to fraction form
    53,882.77/74,358.20 = 31,234.90/x
  3. Step 3: Cross multiply
    53,882.77x = 74,358.20 × 31,234.90
  4. Step 4: Simplify right side
    53,882.77x = 2,322,570,941.18
  5. Step 5: Solve for x
    x = 2,322,570,941.18/53,882.77
  6. Step 6: Final answer
    x = 43,104.15

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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.