Home / 66,535.91-91,586.49-58,023.01

Finding the Fourth Proportional to 66,535.91, 91,586.49 and 58,023.01

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Solution

The fourth proportional to 66,535.91, 91,586.49 and 58,023.01 is: 79,868.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,535.91 : 91,586.49 = 58,023.01 : x
  2. Step 2: Convert to fraction form
    66,535.91/91,586.49 = 58,023.01/x
  3. Step 3: Cross multiply
    66,535.91x = 91,586.49 × 58,023.01
  4. Step 4: Simplify right side
    66,535.91x = 5,314,123,825.13
  5. Step 5: Solve for x
    x = 5,314,123,825.13/66,535.91
  6. Step 6: Final answer
    x = 79,868.51

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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.