Home / 88,774.88-122,509.33-51,049.13

Finding the Fourth Proportional to 88,774.88, 122,509.33 and 51,049.13

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Solution

The fourth proportional to 88,774.88, 122,509.33 and 51,049.13 is: 70,447.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,774.88 : 122,509.33 = 51,049.13 : x
  2. Step 2: Convert to fraction form
    88,774.88/122,509.33 = 51,049.13/x
  3. Step 3: Cross multiply
    88,774.88x = 122,509.33 × 51,049.13
  4. Step 4: Simplify right side
    88,774.88x = 6,253,993,973.21
  5. Step 5: Solve for x
    x = 6,253,993,973.21/88,774.88
  6. Step 6: Final answer
    x = 70,447.79

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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.