Home / 79,301.16-118,944.36-29,381.76

Finding the Fourth Proportional to 79,301.16, 118,944.36 and 29,381.76

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Solution

The fourth proportional to 79,301.16, 118,944.36 and 29,381.76 is: 44,069.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,301.16 : 118,944.36 = 29,381.76 : x
  2. Step 2: Convert to fraction form
    79,301.16/118,944.36 = 29,381.76/x
  3. Step 3: Cross multiply
    79,301.16x = 118,944.36 × 29,381.76
  4. Step 4: Simplify right side
    79,301.16x = 3,494,794,638.87
  5. Step 5: Solve for x
    x = 3,494,794,638.87/79,301.16
  6. Step 6: Final answer
    x = 44,069.91

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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.