Home / 61,618.39-85,034.21-34,760.82

Finding the Fourth Proportional to 61,618.39, 85,034.21 and 34,760.82

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Solution

The fourth proportional to 61,618.39, 85,034.21 and 34,760.82 is: 47,970.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,618.39 : 85,034.21 = 34,760.82 : x
  2. Step 2: Convert to fraction form
    61,618.39/85,034.21 = 34,760.82/x
  3. Step 3: Cross multiply
    61,618.39x = 85,034.21 × 34,760.82
  4. Step 4: Simplify right side
    61,618.39x = 2,955,858,568.16
  5. Step 5: Solve for x
    x = 2,955,858,568.16/61,618.39
  6. Step 6: Final answer
    x = 47,970.39

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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.