Home / 74,317.31-111,512.42-34,877.63

Finding the Fourth Proportional to 74,317.31, 111,512.42 and 34,877.63

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Solution

The fourth proportional to 74,317.31, 111,512.42 and 34,877.63 is: 52,333.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,317.31 : 111,512.42 = 34,877.63 : x
  2. Step 2: Convert to fraction form
    74,317.31/111,512.42 = 34,877.63/x
  3. Step 3: Cross multiply
    74,317.31x = 111,512.42 × 34,877.63
  4. Step 4: Simplify right side
    74,317.31x = 3,889,288,750.78
  5. Step 5: Solve for x
    x = 3,889,288,750.78/74,317.31
  6. Step 6: Final answer
    x = 52,333.55

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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.