Home / 111,720.41-154,177.16-60,736.59

Finding the Fourth Proportional to 111,720.41, 154,177.16 and 60,736.59

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Solution

The fourth proportional to 111,720.41, 154,177.16 and 60,736.59 is: 83,818.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,720.41 : 154,177.16 = 60,736.59 : x
  2. Step 2: Convert to fraction form
    111,720.41/154,177.16 = 60,736.59/x
  3. Step 3: Cross multiply
    111,720.41x = 154,177.16 × 60,736.59
  4. Step 4: Simplify right side
    111,720.41x = 9,364,195,596.69
  5. Step 5: Solve for x
    x = 9,364,195,596.69/111,720.41
  6. Step 6: Final answer
    x = 83,818.13

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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.