Home / 66,555.11-91,849.76-36,343.23

Finding the Fourth Proportional to 66,555.11, 91,849.76 and 36,343.23

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Solution

The fourth proportional to 66,555.11, 91,849.76 and 36,343.23 is: 50,155.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,555.11 : 91,849.76 = 36,343.23 : x
  2. Step 2: Convert to fraction form
    66,555.11/91,849.76 = 36,343.23/x
  3. Step 3: Cross multiply
    66,555.11x = 91,849.76 × 36,343.23
  4. Step 4: Simplify right side
    66,555.11x = 3,338,117,043.98
  5. Step 5: Solve for x
    x = 3,338,117,043.98/66,555.11
  6. Step 6: Final answer
    x = 50,155.69

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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.