Home / 112,080.84-154,592.42-66,723.68

Finding the Fourth Proportional to 112,080.84, 154,592.42 and 66,723.68

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Solution

The fourth proportional to 112,080.84, 154,592.42 and 66,723.68 is: 92,031.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,080.84 : 154,592.42 = 66,723.68 : x
  2. Step 2: Convert to fraction form
    112,080.84/154,592.42 = 66,723.68/x
  3. Step 3: Cross multiply
    112,080.84x = 154,592.42 × 66,723.68
  4. Step 4: Simplify right side
    112,080.84x = 10,314,974,055.93
  5. Step 5: Solve for x
    x = 10,314,974,055.93/112,080.84
  6. Step 6: Final answer
    x = 92,031.56

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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.