Home / 83,815.02-115,655.02-48,002.89

Finding the Fourth Proportional to 83,815.02, 115,655.02 and 48,002.89

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Solution

The fourth proportional to 83,815.02, 115,655.02 and 48,002.89 is: 66,238.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,815.02 : 115,655.02 = 48,002.89 : x
  2. Step 2: Convert to fraction form
    83,815.02/115,655.02 = 48,002.89/x
  3. Step 3: Cross multiply
    83,815.02x = 115,655.02 × 48,002.89
  4. Step 4: Simplify right side
    83,815.02x = 5,551,775,203.01
  5. Step 5: Solve for x
    x = 5,551,775,203.01/83,815.02
  6. Step 6: Final answer
    x = 66,238.43

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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.