Home / 67,258.72-92,815.68-42,122.08

Finding the Fourth Proportional to 67,258.72, 92,815.68 and 42,122.08

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Solution

The fourth proportional to 67,258.72, 92,815.68 and 42,122.08 is: 58,127.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,258.72 : 92,815.68 = 42,122.08 : x
  2. Step 2: Convert to fraction form
    67,258.72/92,815.68 = 42,122.08/x
  3. Step 3: Cross multiply
    67,258.72x = 92,815.68 × 42,122.08
  4. Step 4: Simplify right side
    67,258.72x = 3,909,589,498.21
  5. Step 5: Solve for x
    x = 3,909,589,498.21/67,258.72
  6. Step 6: Final answer
    x = 58,127.62

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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.