Home / 67,221.75-92,768.18-37,005.51

Finding the Fourth Proportional to 67,221.75, 92,768.18 and 37,005.51

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Solution

The fourth proportional to 67,221.75, 92,768.18 and 37,005.51 is: 51,068.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,221.75 : 92,768.18 = 37,005.51 : x
  2. Step 2: Convert to fraction form
    67,221.75/92,768.18 = 37,005.51/x
  3. Step 3: Cross multiply
    67,221.75x = 92,768.18 × 37,005.51
  4. Step 4: Simplify right side
    67,221.75x = 3,432,933,627.64
  5. Step 5: Solve for x
    x = 3,432,933,627.64/67,221.75
  6. Step 6: Final answer
    x = 51,068.79

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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.