Home / 112,008.06-154,576.89-61,707.06

Finding the Fourth Proportional to 112,008.06, 154,576.89 and 61,707.06

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Solution

The fourth proportional to 112,008.06, 154,576.89 and 61,707.06 is: 85,158.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,008.06 : 154,576.89 = 61,707.06 : x
  2. Step 2: Convert to fraction form
    112,008.06/154,576.89 = 61,707.06/x
  3. Step 3: Cross multiply
    112,008.06x = 154,576.89 × 61,707.06
  4. Step 4: Simplify right side
    112,008.06x = 9,538,485,425.84
  5. Step 5: Solve for x
    x = 9,538,485,425.84/112,008.06
  6. Step 6: Final answer
    x = 85,158.92

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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.