Home / 88,085.68-121,556.10-50,357.50

Finding the Fourth Proportional to 88,085.68, 121,556.10 and 50,357.50

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Solution

The fourth proportional to 88,085.68, 121,556.10 and 50,357.50 is: 69,492.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,085.68 : 121,556.10 = 50,357.50 : x
  2. Step 2: Convert to fraction form
    88,085.68/121,556.10 = 50,357.50/x
  3. Step 3: Cross multiply
    88,085.68x = 121,556.10 × 50,357.50
  4. Step 4: Simplify right side
    88,085.68x = 6,121,261,305.75
  5. Step 5: Solve for x
    x = 6,121,261,305.75/88,085.68
  6. Step 6: Final answer
    x = 69,492.13

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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.