Home / 71,043.17-98,032.60-39,210.02

Finding the Fourth Proportional to 71,043.17, 98,032.60 and 39,210.02

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Solution

The fourth proportional to 71,043.17, 98,032.60 and 39,210.02 is: 54,105.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,043.17 : 98,032.60 = 39,210.02 : x
  2. Step 2: Convert to fraction form
    71,043.17/98,032.60 = 39,210.02/x
  3. Step 3: Cross multiply
    71,043.17x = 98,032.60 × 39,210.02
  4. Step 4: Simplify right side
    71,043.17x = 3,843,859,912.57
  5. Step 5: Solve for x
    x = 3,843,859,912.57/71,043.17
  6. Step 6: Final answer
    x = 54,105.97

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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.