Home / 83,933.72-115,825.08-48,098.78

Finding the Fourth Proportional to 83,933.72, 115,825.08 and 48,098.78

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Solution

The fourth proportional to 83,933.72, 115,825.08 and 48,098.78 is: 66,374.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,933.72 : 115,825.08 = 48,098.78 : x
  2. Step 2: Convert to fraction form
    83,933.72/115,825.08 = 48,098.78/x
  3. Step 3: Cross multiply
    83,933.72x = 115,825.08 × 48,098.78
  4. Step 4: Simplify right side
    83,933.72x = 5,571,045,041.40
  5. Step 5: Solve for x
    x = 5,571,045,041.40/83,933.72
  6. Step 6: Final answer
    x = 66,374.34

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1.5x scale

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.