Home / 69,919.68-96,488.67-38,088.58

Finding the Fourth Proportional to 69,919.68, 96,488.67 and 38,088.58

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Solution

The fourth proportional to 69,919.68, 96,488.67 and 38,088.58 is: 52,561.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,919.68 : 96,488.67 = 38,088.58 : x
  2. Step 2: Convert to fraction form
    69,919.68/96,488.67 = 38,088.58/x
  3. Step 3: Cross multiply
    69,919.68x = 96,488.67 × 38,088.58
  4. Step 4: Simplify right side
    69,919.68x = 3,675,116,426.39
  5. Step 5: Solve for x
    x = 3,675,116,426.39/69,919.68
  6. Step 6: Final answer
    x = 52,561.97

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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.