Home / 82,794.24-124,206.72-27,390.72

Finding the Fourth Proportional to 82,794.24, 124,206.72 and 27,390.72

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Solution

The fourth proportional to 82,794.24, 124,206.72 and 27,390.72 is: 41,091.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,794.24 : 124,206.72 = 27,390.72 : x
  2. Step 2: Convert to fraction form
    82,794.24/124,206.72 = 27,390.72/x
  3. Step 3: Cross multiply
    82,794.24x = 124,206.72 × 27,390.72
  4. Step 4: Simplify right side
    82,794.24x = 3,402,111,489.64
  5. Step 5: Solve for x
    x = 3,402,111,489.64/82,794.24
  6. Step 6: Final answer
    x = 41,091.16

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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.