Home / 88,053.75-121,514.18-50,328.81

Finding the Fourth Proportional to 88,053.75, 121,514.18 and 50,328.81

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Solution

The fourth proportional to 88,053.75, 121,514.18 and 50,328.81 is: 69,453.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,053.75 : 121,514.18 = 50,328.81 : x
  2. Step 2: Convert to fraction form
    88,053.75/121,514.18 = 50,328.81/x
  3. Step 3: Cross multiply
    88,053.75x = 121,514.18 × 50,328.81
  4. Step 4: Simplify right side
    88,053.75x = 6,115,663,825.88
  5. Step 5: Solve for x
    x = 6,115,663,825.88/88,053.75
  6. Step 6: Final answer
    x = 69,453.76

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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.