Home / 61,668.07-85,102.04-33,373.78

Finding the Fourth Proportional to 61,668.07, 85,102.04 and 33,373.78

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Solution

The fourth proportional to 61,668.07, 85,102.04 and 33,373.78 is: 46,055.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,668.07 : 85,102.04 = 33,373.78 : x
  2. Step 2: Convert to fraction form
    61,668.07/85,102.04 = 33,373.78/x
  3. Step 3: Cross multiply
    61,668.07x = 85,102.04 × 33,373.78
  4. Step 4: Simplify right side
    61,668.07x = 2,840,176,760.51
  5. Step 5: Solve for x
    x = 2,840,176,760.51/61,668.07
  6. Step 6: Final answer
    x = 46,055.87

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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.