Home / 66,355.59-91,570.24-36,140.82

Finding the Fourth Proportional to 66,355.59, 91,570.24 and 36,140.82

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Solution

The fourth proportional to 66,355.59, 91,570.24 and 36,140.82 is: 49,874.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,355.59 : 91,570.24 = 36,140.82 : x
  2. Step 2: Convert to fraction form
    66,355.59/91,570.24 = 36,140.82/x
  3. Step 3: Cross multiply
    66,355.59x = 91,570.24 × 36,140.82
  4. Step 4: Simplify right side
    66,355.59x = 3,309,423,059.69
  5. Step 5: Solve for x
    x = 3,309,423,059.69/66,355.59
  6. Step 6: Final answer
    x = 49,874.07

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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.