Home / 66,555.14-91,846.28-36,340.72

Finding the Fourth Proportional to 66,555.14, 91,846.28 and 36,340.72

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Solution

The fourth proportional to 66,555.14, 91,846.28 and 36,340.72 is: 50,150.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,555.14 : 91,846.28 = 36,340.72 : x
  2. Step 2: Convert to fraction form
    66,555.14/91,846.28 = 36,340.72/x
  3. Step 3: Cross multiply
    66,555.14x = 91,846.28 × 36,340.72
  4. Step 4: Simplify right side
    66,555.14x = 3,337,759,303.59
  5. Step 5: Solve for x
    x = 3,337,759,303.59/66,555.14
  6. Step 6: Final answer
    x = 50,150.29

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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.