Home / 50,799.19-70,102.14-28,138.11

Finding the Fourth Proportional to 50,799.19, 70,102.14 and 28,138.11

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Solution

The fourth proportional to 50,799.19, 70,102.14 and 28,138.11 is: 38,830.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,799.19 : 70,102.14 = 28,138.11 : x
  2. Step 2: Convert to fraction form
    50,799.19/70,102.14 = 28,138.11/x
  3. Step 3: Cross multiply
    50,799.19x = 70,102.14 × 28,138.11
  4. Step 4: Simplify right side
    50,799.19x = 1,972,541,463.67
  5. Step 5: Solve for x
    x = 1,972,541,463.67/50,799.19
  6. Step 6: Final answer
    x = 38,830.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.