Home / 83,954.24-115,852.32-48,145.76

Finding the Fourth Proportional to 83,954.24, 115,852.32 and 48,145.76

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Solution

The fourth proportional to 83,954.24, 115,852.32 and 48,145.76 is: 66,438.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,954.24 : 115,852.32 = 48,145.76 : x
  2. Step 2: Convert to fraction form
    83,954.24/115,852.32 = 48,145.76/x
  3. Step 3: Cross multiply
    83,954.24x = 115,852.32 × 48,145.76
  4. Step 4: Simplify right side
    83,954.24x = 5,577,797,994.16
  5. Step 5: Solve for x
    x = 5,577,797,994.16/83,954.24
  6. Step 6: Final answer
    x = 66,438.55

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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.