Home / 66,535.28-91,585.63-58,022.39

Finding the Fourth Proportional to 66,535.28, 91,585.63 and 58,022.39

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Solution

The fourth proportional to 66,535.28, 91,585.63 and 58,022.39 is: 79,867.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,535.28 : 91,585.63 = 58,022.39 : x
  2. Step 2: Convert to fraction form
    66,535.28/91,585.63 = 58,022.39/x
  3. Step 3: Cross multiply
    66,535.28x = 91,585.63 × 58,022.39
  4. Step 4: Simplify right side
    66,535.28x = 5,314,016,539.27
  5. Step 5: Solve for x
    x = 5,314,016,539.27/66,535.28
  6. Step 6: Final answer
    x = 79,867.65

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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.