Home / 112,042.56-154,617.90-61,741.56

Finding the Fourth Proportional to 112,042.56, 154,617.90 and 61,741.56

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Solution

The fourth proportional to 112,042.56, 154,617.90 and 61,741.56 is: 85,202.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,042.56 : 154,617.90 = 61,741.56 : x
  2. Step 2: Convert to fraction form
    112,042.56/154,617.90 = 61,741.56/x
  3. Step 3: Cross multiply
    112,042.56x = 154,617.90 × 61,741.56
  4. Step 4: Simplify right side
    112,042.56x = 9,546,350,349.92
  5. Step 5: Solve for x
    x = 9,546,350,349.92/112,042.56
  6. Step 6: Final answer
    x = 85,202.89

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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.