Home / 61,619.20-85,032.59-34,761.35

Finding the Fourth Proportional to 61,619.20, 85,032.59 and 34,761.35

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Solution

The fourth proportional to 61,619.20, 85,032.59 and 34,761.35 is: 47,969.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,619.20 : 85,032.59 = 34,761.35 : x
  2. Step 2: Convert to fraction form
    61,619.20/85,032.59 = 34,761.35/x
  3. Step 3: Cross multiply
    61,619.20x = 85,032.59 × 34,761.35
  4. Step 4: Simplify right side
    61,619.20x = 2,955,847,661.17
  5. Step 5: Solve for x
    x = 2,955,847,661.17/61,619.20
  6. Step 6: Final answer
    x = 47,969.59

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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.