Home / 98,584.02-147,947.31-39,436.20

Finding the Fourth Proportional to 98,584.02, 147,947.31 and 39,436.20

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Solution

The fourth proportional to 98,584.02, 147,947.31 and 39,436.20 is: 59,182.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,584.02 : 147,947.31 = 39,436.20 : x
  2. Step 2: Convert to fraction form
    98,584.02/147,947.31 = 39,436.20/x
  3. Step 3: Cross multiply
    98,584.02x = 147,947.31 × 39,436.20
  4. Step 4: Simplify right side
    98,584.02x = 5,834,479,706.62
  5. Step 5: Solve for x
    x = 5,834,479,706.62/98,584.02
  6. Step 6: Final answer
    x = 59,182.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.