Home / 88,923.51-122,718.38-51,209.91

Finding the Fourth Proportional to 88,923.51, 122,718.38 and 51,209.91

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Solution

The fourth proportional to 88,923.51, 122,718.38 and 51,209.91 is: 70,671.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,923.51 : 122,718.38 = 51,209.91 : x
  2. Step 2: Convert to fraction form
    88,923.51/122,718.38 = 51,209.91/x
  3. Step 3: Cross multiply
    88,923.51x = 122,718.38 × 51,209.91
  4. Step 4: Simplify right side
    88,923.51x = 6,284,396,939.10
  5. Step 5: Solve for x
    x = 6,284,396,939.10/88,923.51
  6. Step 6: Final answer
    x = 70,671.94

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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.