Home / 99,616.36-137,470.26-54,904.36

Finding the Fourth Proportional to 99,616.36, 137,470.26 and 54,904.36

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Solution

The fourth proportional to 99,616.36, 137,470.26 and 54,904.36 is: 75,767.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,616.36 : 137,470.26 = 54,904.36 : x
  2. Step 2: Convert to fraction form
    99,616.36/137,470.26 = 54,904.36/x
  3. Step 3: Cross multiply
    99,616.36x = 137,470.26 × 54,904.36
  4. Step 4: Simplify right side
    99,616.36x = 7,547,716,644.33
  5. Step 5: Solve for x
    x = 7,547,716,644.33/99,616.36
  6. Step 6: Final answer
    x = 75,767.84

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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.