Home / 83,907.04-115,792-48,099.20

Finding the Fourth Proportional to 83,907.04, 115,792 and 48,099.20

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Solution

The fourth proportional to 83,907.04, 115,792 and 48,099.20 is: 66,377.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,907.04 : 115,792 = 48,099.20 : x
  2. Step 2: Convert to fraction form
    83,907.04/115,792 = 48,099.20/x
  3. Step 3: Cross multiply
    83,907.04x = 115,792 × 48,099.20
  4. Step 4: Simplify right side
    83,907.04x = 5,569,502,566.40
  5. Step 5: Solve for x
    x = 5,569,502,566.40/83,907.04
  6. Step 6: Final answer
    x = 66,377.06

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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.