Home / 66,635.92-91,948.68-42,794.88

Finding the Fourth Proportional to 66,635.92, 91,948.68 and 42,794.88

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Solution

The fourth proportional to 66,635.92, 91,948.68 and 42,794.88 is: 59,051.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,635.92 : 91,948.68 = 42,794.88 : x
  2. Step 2: Convert to fraction form
    66,635.92/91,948.68 = 42,794.88/x
  3. Step 3: Cross multiply
    66,635.92x = 91,948.68 × 42,794.88
  4. Step 4: Simplify right side
    66,635.92x = 3,934,932,726.76
  5. Step 5: Solve for x
    x = 3,934,932,726.76/66,635.92
  6. Step 6: Final answer
    x = 59,051.23

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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.