Home / 66,979.11-92,430.87-36,764.91

Finding the Fourth Proportional to 66,979.11, 92,430.87 and 36,764.91

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Solution

The fourth proportional to 66,979.11, 92,430.87 and 36,764.91 is: 50,735.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,979.11 : 92,430.87 = 36,764.91 : x
  2. Step 2: Convert to fraction form
    66,979.11/92,430.87 = 36,764.91/x
  3. Step 3: Cross multiply
    66,979.11x = 92,430.87 × 36,764.91
  4. Step 4: Simplify right side
    66,979.11x = 3,398,212,616.77
  5. Step 5: Solve for x
    x = 3,398,212,616.77/66,979.11
  6. Step 6: Final answer
    x = 50,735.41

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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.