Home / 112,095.16-154,672.14-66,767.56

Finding the Fourth Proportional to 112,095.16, 154,672.14 and 66,767.56

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Solution

The fourth proportional to 112,095.16, 154,672.14 and 66,767.56 is: 92,127.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,095.16 : 154,672.14 = 66,767.56 : x
  2. Step 2: Convert to fraction form
    112,095.16/154,672.14 = 66,767.56/x
  3. Step 3: Cross multiply
    112,095.16x = 154,672.14 × 66,767.56
  4. Step 4: Simplify right side
    112,095.16x = 10,327,081,387.78
  5. Step 5: Solve for x
    x = 10,327,081,387.78/112,095.16
  6. Step 6: Final answer
    x = 92,127.81

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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.