Home / 61,112.70-84,337.89-34,255.38

Finding the Fourth Proportional to 61,112.70, 84,337.89 and 34,255.38

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Solution

The fourth proportional to 61,112.70, 84,337.89 and 34,255.38 is: 47,273.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,112.70 : 84,337.89 = 34,255.38 : x
  2. Step 2: Convert to fraction form
    61,112.70/84,337.89 = 34,255.38/x
  3. Step 3: Cross multiply
    61,112.70x = 84,337.89 × 34,255.38
  4. Step 4: Simplify right side
    61,112.70x = 2,889,026,470.35
  5. Step 5: Solve for x
    x = 2,889,026,470.35/61,112.70
  6. Step 6: Final answer
    x = 47,273.75

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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.