Home / 90,578.58-124,992.66-50,292.34

Finding the Fourth Proportional to 90,578.58, 124,992.66 and 50,292.34

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Solution

The fourth proportional to 90,578.58, 124,992.66 and 50,292.34 is: 69,400.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,578.58 : 124,992.66 = 50,292.34 : x
  2. Step 2: Convert to fraction form
    90,578.58/124,992.66 = 50,292.34/x
  3. Step 3: Cross multiply
    90,578.58x = 124,992.66 × 50,292.34
  4. Step 4: Simplify right side
    90,578.58x = 6,286,173,354.22
  5. Step 5: Solve for x
    x = 6,286,173,354.22/90,578.58
  6. Step 6: Final answer
    x = 69,400.22

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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.