Home / 111,655.13-154,083.38-60,667.47

Finding the Fourth Proportional to 111,655.13, 154,083.38 and 60,667.47

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Solution

The fourth proportional to 111,655.13, 154,083.38 and 60,667.47 is: 83,720.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,655.13 : 154,083.38 = 60,667.47 : x
  2. Step 2: Convert to fraction form
    111,655.13/154,083.38 = 60,667.47/x
  3. Step 3: Cross multiply
    111,655.13x = 154,083.38 × 60,667.47
  4. Step 4: Simplify right side
    111,655.13x = 9,347,848,530.31
  5. Step 5: Solve for x
    x = 9,347,848,530.31/111,655.13
  6. Step 6: Final answer
    x = 83,720.73

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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.