Home / 69,919.89-96,488.87-38,088.11

Finding the Fourth Proportional to 69,919.89, 96,488.87 and 38,088.11

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Solution

The fourth proportional to 69,919.89, 96,488.87 and 38,088.11 is: 52,561.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,919.89 : 96,488.87 = 38,088.11 : x
  2. Step 2: Convert to fraction form
    69,919.89/96,488.87 = 38,088.11/x
  3. Step 3: Cross multiply
    69,919.89x = 96,488.87 × 38,088.11
  4. Step 4: Simplify right side
    69,919.89x = 3,675,078,021.45
  5. Step 5: Solve for x
    x = 3,675,078,021.45/69,919.89
  6. Step 6: Final answer
    x = 52,561.27

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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.