Home / 83,952.20-115,852.60-48,140.12

Finding the Fourth Proportional to 83,952.20, 115,852.60 and 48,140.12

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Solution

The fourth proportional to 83,952.20, 115,852.60 and 48,140.12 is: 66,432.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,952.20 : 115,852.60 = 48,140.12 : x
  2. Step 2: Convert to fraction form
    83,952.20/115,852.60 = 48,140.12/x
  3. Step 3: Cross multiply
    83,952.20x = 115,852.60 × 48,140.12
  4. Step 4: Simplify right side
    83,952.20x = 5,577,158,066.31
  5. Step 5: Solve for x
    x = 5,577,158,066.31/83,952.20
  6. Step 6: Final answer
    x = 66,432.54

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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.