Home / 66,695.45-92,042.66-38,410.25

Finding the Fourth Proportional to 66,695.45, 92,042.66 and 38,410.25

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Solution

The fourth proportional to 66,695.45, 92,042.66 and 38,410.25 is: 53,007.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,695.45 : 92,042.66 = 38,410.25 : x
  2. Step 2: Convert to fraction form
    66,695.45/92,042.66 = 38,410.25/x
  3. Step 3: Cross multiply
    66,695.45x = 92,042.66 × 38,410.25
  4. Step 4: Simplify right side
    66,695.45x = 3,535,381,217.08
  5. Step 5: Solve for x
    x = 3,535,381,217.08/66,695.45
  6. Step 6: Final answer
    x = 53,007.84

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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.