Home / 79,301.16-118,908.81-36,560.43

Finding the Fourth Proportional to 79,301.16, 118,908.81 and 36,560.43

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Solution

The fourth proportional to 79,301.16, 118,908.81 and 36,560.43 is: 54,820.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,301.16 : 118,908.81 = 36,560.43 : x
  2. Step 2: Convert to fraction form
    79,301.16/118,908.81 = 36,560.43/x
  3. Step 3: Cross multiply
    79,301.16x = 118,908.81 × 36,560.43
  4. Step 4: Simplify right side
    79,301.16x = 4,347,357,224.39
  5. Step 5: Solve for x
    x = 4,347,357,224.39/79,301.16
  6. Step 6: Final answer
    x = 54,820.85

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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.