Home / 91,052.56-136,621.08-38,474.32

Finding the Fourth Proportional to 91,052.56, 136,621.08 and 38,474.32

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Solution

The fourth proportional to 91,052.56, 136,621.08 and 38,474.32 is: 57,729.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,052.56 : 136,621.08 = 38,474.32 : x
  2. Step 2: Convert to fraction form
    91,052.56/136,621.08 = 38,474.32/x
  3. Step 3: Cross multiply
    91,052.56x = 136,621.08 × 38,474.32
  4. Step 4: Simplify right side
    91,052.56x = 5,256,403,150.67
  5. Step 5: Solve for x
    x = 5,256,403,150.67/91,052.56
  6. Step 6: Final answer
    x = 57,729.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.