Home / 61,619.16-85,034.34-34,761.60

Finding the Fourth Proportional to 61,619.16, 85,034.34 and 34,761.60

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Solution

The fourth proportional to 61,619.16, 85,034.34 and 34,761.60 is: 47,970.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,619.16 : 85,034.34 = 34,761.60 : x
  2. Step 2: Convert to fraction form
    61,619.16/85,034.34 = 34,761.60/x
  3. Step 3: Cross multiply
    61,619.16x = 85,034.34 × 34,761.60
  4. Step 4: Simplify right side
    61,619.16x = 2,955,929,713.34
  5. Step 5: Solve for x
    x = 2,955,929,713.34/61,619.16
  6. Step 6: Final answer
    x = 47,970.95

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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.