Home / 61,113.06-84,343.86-35,620.65

Finding the Fourth Proportional to 61,113.06, 84,343.86 and 35,620.65

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Solution

The fourth proportional to 61,113.06, 84,343.86 and 35,620.65 is: 49,161.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,113.06 : 84,343.86 = 35,620.65 : x
  2. Step 2: Convert to fraction form
    61,113.06/84,343.86 = 35,620.65/x
  3. Step 3: Cross multiply
    61,113.06x = 84,343.86 × 35,620.65
  4. Step 4: Simplify right side
    61,113.06x = 3,004,383,116.71
  5. Step 5: Solve for x
    x = 3,004,383,116.71/61,113.06
  6. Step 6: Final answer
    x = 49,161.07

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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.