Home / 84,827.36-127,231.32-22,502.72

Finding the Fourth Proportional to 84,827.36, 127,231.32 and 22,502.72

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Solution

The fourth proportional to 84,827.36, 127,231.32 and 22,502.72 is: 33,751.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,827.36 : 127,231.32 = 22,502.72 : x
  2. Step 2: Convert to fraction form
    84,827.36/127,231.32 = 22,502.72/x
  3. Step 3: Cross multiply
    84,827.36x = 127,231.32 × 22,502.72
  4. Step 4: Simplify right side
    84,827.36x = 2,863,050,769.19
  5. Step 5: Solve for x
    x = 2,863,050,769.19/84,827.36
  6. Step 6: Final answer
    x = 33,751.50

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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.