Home / 78,740.56-118,167-43,708.24

Finding the Fourth Proportional to 78,740.56, 118,167 and 43,708.24

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Solution

The fourth proportional to 78,740.56, 118,167 and 43,708.24 is: 65,593.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,740.56 : 118,167 = 43,708.24 : x
  2. Step 2: Convert to fraction form
    78,740.56/118,167 = 43,708.24/x
  3. Step 3: Cross multiply
    78,740.56x = 118,167 × 43,708.24
  4. Step 4: Simplify right side
    78,740.56x = 5,164,871,596.08
  5. Step 5: Solve for x
    x = 5,164,871,596.08/78,740.56
  6. Step 6: Final answer
    x = 65,593.53

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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.