Home / 112,061.44-154,644.64-61,760.32

Finding the Fourth Proportional to 112,061.44, 154,644.64 and 61,760.32

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Solution

The fourth proportional to 112,061.44, 154,644.64 and 61,760.32 is: 85,229.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,061.44 : 154,644.64 = 61,760.32 : x
  2. Step 2: Convert to fraction form
    112,061.44/154,644.64 = 61,760.32/x
  3. Step 3: Cross multiply
    112,061.44x = 154,644.64 × 61,760.32
  4. Step 4: Simplify right side
    112,061.44x = 9,550,902,452.68
  5. Step 5: Solve for x
    x = 9,550,902,452.68/112,061.44
  6. Step 6: Final answer
    x = 85,229.16

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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.