Home / 70,837.09-106,140.16-41,279.83

Finding the Fourth Proportional to 70,837.09, 106,140.16 and 41,279.83

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Solution

The fourth proportional to 70,837.09, 106,140.16 and 41,279.83 is: 61,852.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,837.09 : 106,140.16 = 41,279.83 : x
  2. Step 2: Convert to fraction form
    70,837.09/106,140.16 = 41,279.83/x
  3. Step 3: Cross multiply
    70,837.09x = 106,140.16 × 41,279.83
  4. Step 4: Simplify right side
    70,837.09x = 4,381,447,760.97
  5. Step 5: Solve for x
    x = 4,381,447,760.97/70,837.09
  6. Step 6: Final answer
    x = 61,852.45

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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.