Home / 75,605.29-104,317.50-63,551.59

Finding the Fourth Proportional to 75,605.29, 104,317.50 and 63,551.59

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Solution

The fourth proportional to 75,605.29, 104,317.50 and 63,551.59 is: 87,686.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,605.29 : 104,317.50 = 63,551.59 : x
  2. Step 2: Convert to fraction form
    75,605.29/104,317.50 = 63,551.59/x
  3. Step 3: Cross multiply
    75,605.29x = 104,317.50 × 63,551.59
  4. Step 4: Simplify right side
    75,605.29x = 6,629,542,989.83
  5. Step 5: Solve for x
    x = 6,629,542,989.83/75,605.29
  6. Step 6: Final answer
    x = 87,686.23

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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.