Home / 83,936.64-115,848.12-48,126.90

Finding the Fourth Proportional to 83,936.64, 115,848.12 and 48,126.90

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Solution

The fourth proportional to 83,936.64, 115,848.12 and 48,126.90 is: 66,424.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,936.64 : 115,848.12 = 48,126.90 : x
  2. Step 2: Convert to fraction form
    83,936.64/115,848.12 = 48,126.90/x
  3. Step 3: Cross multiply
    83,936.64x = 115,848.12 × 48,126.90
  4. Step 4: Simplify right side
    83,936.64x = 5,575,410,886.43
  5. Step 5: Solve for x
    x = 5,575,410,886.43/83,936.64
  6. Step 6: Final answer
    x = 66,424.04

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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.