Home / 83,851.02-115,766.04-57,702.06

Finding the Fourth Proportional to 83,851.02, 115,766.04 and 57,702.06

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Solution

The fourth proportional to 83,851.02, 115,766.04 and 57,702.06 is: 79,664.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,851.02 : 115,766.04 = 57,702.06 : x
  2. Step 2: Convert to fraction form
    83,851.02/115,766.04 = 57,702.06/x
  3. Step 3: Cross multiply
    83,851.02x = 115,766.04 × 57,702.06
  4. Step 4: Simplify right side
    83,851.02x = 6,679,938,986.04
  5. Step 5: Solve for x
    x = 6,679,938,986.04/83,851.02
  6. Step 6: Final answer
    x = 79,664.37

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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.