Home / 83,875.10-115,750.82-48,072.02

Finding the Fourth Proportional to 83,875.10, 115,750.82 and 48,072.02

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Solution

The fourth proportional to 83,875.10, 115,750.82 and 48,072.02 is: 66,341.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,875.10 : 115,750.82 = 48,072.02 : x
  2. Step 2: Convert to fraction form
    83,875.10/115,750.82 = 48,072.02/x
  3. Step 3: Cross multiply
    83,875.10x = 115,750.82 × 48,072.02
  4. Step 4: Simplify right side
    83,875.10x = 5,564,375,926.58
  5. Step 5: Solve for x
    x = 5,564,375,926.58/83,875.10
  6. Step 6: Final answer
    x = 66,341.21

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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.