Home / 91,117.37-136,556.78-48,948.17

Finding the Fourth Proportional to 91,117.37, 136,556.78 and 48,948.17

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Solution

The fourth proportional to 91,117.37, 136,556.78 and 48,948.17 is: 73,358.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,117.37 : 136,556.78 = 48,948.17 : x
  2. Step 2: Convert to fraction form
    91,117.37/136,556.78 = 48,948.17/x
  3. Step 3: Cross multiply
    91,117.37x = 136,556.78 × 48,948.17
  4. Step 4: Simplify right side
    91,117.37x = 6,684,203,799.31
  5. Step 5: Solve for x
    x = 6,684,203,799.31/91,117.37
  6. Step 6: Final answer
    x = 73,358.17

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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.