Home / 67,712.06-93,431.04-42,226.42

Finding the Fourth Proportional to 67,712.06, 93,431.04 and 42,226.42

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Solution

The fourth proportional to 67,712.06, 93,431.04 and 42,226.42 is: 58,265.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,712.06 : 93,431.04 = 42,226.42 : x
  2. Step 2: Convert to fraction form
    67,712.06/93,431.04 = 42,226.42/x
  3. Step 3: Cross multiply
    67,712.06x = 93,431.04 × 42,226.42
  4. Step 4: Simplify right side
    67,712.06x = 3,945,258,336.08
  5. Step 5: Solve for x
    x = 3,945,258,336.08/67,712.06
  6. Step 6: Final answer
    x = 58,265.22

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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.