Home / 91,171.64-136,397.82-69,048.92

Finding the Fourth Proportional to 91,171.64, 136,397.82 and 69,048.92

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Solution

The fourth proportional to 91,171.64, 136,397.82 and 69,048.92 is: 103,301.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,171.64 : 136,397.82 = 69,048.92 : x
  2. Step 2: Convert to fraction form
    91,171.64/136,397.82 = 69,048.92/x
  3. Step 3: Cross multiply
    91,171.64x = 136,397.82 × 69,048.92
  4. Step 4: Simplify right side
    91,171.64x = 9,418,122,161.35
  5. Step 5: Solve for x
    x = 9,418,122,161.35/91,171.64
  6. Step 6: Final answer
    x = 103,301.01

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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.