Home / 69,774.87-96,291.86-39,972.63

Finding the Fourth Proportional to 69,774.87, 96,291.86 and 39,972.63

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Solution

The fourth proportional to 69,774.87, 96,291.86 and 39,972.63 is: 55,163.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,774.87 : 96,291.86 = 39,972.63 : x
  2. Step 2: Convert to fraction form
    69,774.87/96,291.86 = 39,972.63/x
  3. Step 3: Cross multiply
    69,774.87x = 96,291.86 × 39,972.63
  4. Step 4: Simplify right side
    69,774.87x = 3,849,038,691.93
  5. Step 5: Solve for x
    x = 3,849,038,691.93/69,774.87
  6. Step 6: Final answer
    x = 55,163.68

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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.