Home / 91,308.77-136,994.29-49,193.17

Finding the Fourth Proportional to 91,308.77, 136,994.29 and 49,193.17

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Solution

The fourth proportional to 91,308.77, 136,994.29 and 49,193.17 is: 73,806.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,308.77 : 136,994.29 = 49,193.17 : x
  2. Step 2: Convert to fraction form
    91,308.77/136,994.29 = 49,193.17/x
  3. Step 3: Cross multiply
    91,308.77x = 136,994.29 × 49,193.17
  4. Step 4: Simplify right side
    91,308.77x = 6,739,183,397.00
  5. Step 5: Solve for x
    x = 6,739,183,397.00/91,308.77
  6. Step 6: Final answer
    x = 73,806.53

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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.