Home / 66,937.08-92,372.70-36,721.56

Finding the Fourth Proportional to 66,937.08, 92,372.70 and 36,721.56

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Solution

The fourth proportional to 66,937.08, 92,372.70 and 36,721.56 is: 50,675.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,937.08 : 92,372.70 = 36,721.56 : x
  2. Step 2: Convert to fraction form
    66,937.08/92,372.70 = 36,721.56/x
  3. Step 3: Cross multiply
    66,937.08x = 92,372.70 × 36,721.56
  4. Step 4: Simplify right side
    66,937.08x = 3,392,069,645.41
  5. Step 5: Solve for x
    x = 3,392,069,645.41/66,937.08
  6. Step 6: Final answer
    x = 50,675.49

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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.