Home / 55,121.92-76,068.48-32,766.08

Finding the Fourth Proportional to 55,121.92, 76,068.48 and 32,766.08

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Solution

The fourth proportional to 55,121.92, 76,068.48 and 32,766.08 is: 45,217.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,121.92 : 76,068.48 = 32,766.08 : x
  2. Step 2: Convert to fraction form
    55,121.92/76,068.48 = 32,766.08/x
  3. Step 3: Cross multiply
    55,121.92x = 76,068.48 × 32,766.08
  4. Step 4: Simplify right side
    55,121.92x = 2,492,465,901.16
  5. Step 5: Solve for x
    x = 2,492,465,901.16/55,121.92
  6. Step 6: Final answer
    x = 45,217.33

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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.