Home / 69,681.14-104,521.52-25,307.72

Finding the Fourth Proportional to 69,681.14, 104,521.52 and 25,307.72

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Solution

The fourth proportional to 69,681.14, 104,521.52 and 25,307.72 is: 37,961.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,681.14 : 104,521.52 = 25,307.72 : x
  2. Step 2: Convert to fraction form
    69,681.14/104,521.52 = 25,307.72/x
  3. Step 3: Cross multiply
    69,681.14x = 104,521.52 × 25,307.72
  4. Step 4: Simplify right side
    69,681.14x = 2,645,201,362.13
  5. Step 5: Solve for x
    x = 2,645,201,362.13/69,681.14
  6. Step 6: Final answer
    x = 37,961.51

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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.