Home / 109,703.11-151,390.29-59,402.11

Finding the Fourth Proportional to 109,703.11, 151,390.29 and 59,402.11

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Solution

The fourth proportional to 109,703.11, 151,390.29 and 59,402.11 is: 81,974.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,703.11 : 151,390.29 = 59,402.11 : x
  2. Step 2: Convert to fraction form
    109,703.11/151,390.29 = 59,402.11/x
  3. Step 3: Cross multiply
    109,703.11x = 151,390.29 × 59,402.11
  4. Step 4: Simplify right side
    109,703.11x = 8,992,902,620.58
  5. Step 5: Solve for x
    x = 8,992,902,620.58/109,703.11
  6. Step 6: Final answer
    x = 81,974.91

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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.