Home / 68,709.69-94,829.40-38,497.06

Finding the Fourth Proportional to 68,709.69, 94,829.40 and 38,497.06

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Solution

The fourth proportional to 68,709.69, 94,829.40 and 38,497.06 is: 53,131.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,709.69 : 94,829.40 = 38,497.06 : x
  2. Step 2: Convert to fraction form
    68,709.69/94,829.40 = 38,497.06/x
  3. Step 3: Cross multiply
    68,709.69x = 94,829.40 × 38,497.06
  4. Step 4: Simplify right side
    68,709.69x = 3,650,653,101.56
  5. Step 5: Solve for x
    x = 3,650,653,101.56/68,709.69
  6. Step 6: Final answer
    x = 53,131.56

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1.5x scale

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.