Home / 80,492.61-111,091.35-48,228.51

Finding the Fourth Proportional to 80,492.61, 111,091.35 and 48,228.51

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Solution

The fourth proportional to 80,492.61, 111,091.35 and 48,228.51 is: 66,562.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,492.61 : 111,091.35 = 48,228.51 : x
  2. Step 2: Convert to fraction form
    80,492.61/111,091.35 = 48,228.51/x
  3. Step 3: Cross multiply
    80,492.61x = 111,091.35 × 48,228.51
  4. Step 4: Simplify right side
    80,492.61x = 5,357,770,284.39
  5. Step 5: Solve for x
    x = 5,357,770,284.39/80,492.61
  6. Step 6: Final answer
    x = 66,562.26

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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.