Home / 69,135.34-103,618.76-35,837.06

Finding the Fourth Proportional to 69,135.34, 103,618.76 and 35,837.06

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Solution

The fourth proportional to 69,135.34, 103,618.76 and 35,837.06 is: 53,711.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,135.34 : 103,618.76 = 35,837.06 : x
  2. Step 2: Convert to fraction form
    69,135.34/103,618.76 = 35,837.06/x
  3. Step 3: Cross multiply
    69,135.34x = 103,618.76 × 35,837.06
  4. Step 4: Simplify right side
    69,135.34x = 3,713,391,719.25
  5. Step 5: Solve for x
    x = 3,713,391,719.25/69,135.34
  6. Step 6: Final answer
    x = 53,711.92

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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.