Home / 55,470.26-76,540.02-31,597.40

Finding the Fourth Proportional to 55,470.26, 76,540.02 and 31,597.40

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Solution

The fourth proportional to 55,470.26, 76,540.02 and 31,597.40 is: 43,599.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,470.26 : 76,540.02 = 31,597.40 : x
  2. Step 2: Convert to fraction form
    55,470.26/76,540.02 = 31,597.40/x
  3. Step 3: Cross multiply
    55,470.26x = 76,540.02 × 31,597.40
  4. Step 4: Simplify right side
    55,470.26x = 2,418,465,627.95
  5. Step 5: Solve for x
    x = 2,418,465,627.95/55,470.26
  6. Step 6: Final answer
    x = 43,599.32

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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.