Home / 88,091.64-121,566.96-47,805.48

Finding the Fourth Proportional to 88,091.64, 121,566.96 and 47,805.48

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Solution

The fourth proportional to 88,091.64, 121,566.96 and 47,805.48 is: 65,971.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,091.64 : 121,566.96 = 47,805.48 : x
  2. Step 2: Convert to fraction form
    88,091.64/121,566.96 = 47,805.48/x
  3. Step 3: Cross multiply
    88,091.64x = 121,566.96 × 47,805.48
  4. Step 4: Simplify right side
    88,091.64x = 5,811,566,874.94
  5. Step 5: Solve for x
    x = 5,811,566,874.94/88,091.64
  6. Step 6: Final answer
    x = 65,971.83

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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.