Home / 80,925.84-121,388.76-34,179.12

Finding the Fourth Proportional to 80,925.84, 121,388.76 and 34,179.12

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Solution

The fourth proportional to 80,925.84, 121,388.76 and 34,179.12 is: 51,268.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,925.84 : 121,388.76 = 34,179.12 : x
  2. Step 2: Convert to fraction form
    80,925.84/121,388.76 = 34,179.12/x
  3. Step 3: Cross multiply
    80,925.84x = 121,388.76 × 34,179.12
  4. Step 4: Simplify right side
    80,925.84x = 4,148,960,994.69
  5. Step 5: Solve for x
    x = 4,148,960,994.69/80,925.84
  6. Step 6: Final answer
    x = 51,268.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.