Home / 112,091.16-154,666.58-66,763.56

Finding the Fourth Proportional to 112,091.16, 154,666.58 and 66,763.56

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Solution

The fourth proportional to 112,091.16, 154,666.58 and 66,763.56 is: 92,122.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,091.16 : 154,666.58 = 66,763.56 : x
  2. Step 2: Convert to fraction form
    112,091.16/154,666.58 = 66,763.56/x
  3. Step 3: Cross multiply
    112,091.16x = 154,666.58 × 66,763.56
  4. Step 4: Simplify right side
    112,091.16x = 10,326,091,493.82
  5. Step 5: Solve for x
    x = 10,326,091,493.82/112,091.16
  6. Step 6: Final answer
    x = 92,122.26

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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.