Home / 66,756.33-92,120.79-36,542.93

Finding the Fourth Proportional to 66,756.33, 92,120.79 and 36,542.93

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Solution

The fourth proportional to 66,756.33, 92,120.79 and 36,542.93 is: 50,427.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,756.33 : 92,120.79 = 36,542.93 : x
  2. Step 2: Convert to fraction form
    66,756.33/92,120.79 = 36,542.93/x
  3. Step 3: Cross multiply
    66,756.33x = 92,120.79 × 36,542.93
  4. Step 4: Simplify right side
    66,756.33x = 3,366,363,119.91
  5. Step 5: Solve for x
    x = 3,366,363,119.91/66,756.33
  6. Step 6: Final answer
    x = 50,427.62

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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.