Home / 61,275.87-91,991.58-52,100.19

Finding the Fourth Proportional to 61,275.87, 91,991.58 and 52,100.19

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Solution

The fourth proportional to 61,275.87, 91,991.58 and 52,100.19 is: 78,216.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,275.87 : 91,991.58 = 52,100.19 : x
  2. Step 2: Convert to fraction form
    61,275.87/91,991.58 = 52,100.19/x
  3. Step 3: Cross multiply
    61,275.87x = 91,991.58 × 52,100.19
  4. Step 4: Simplify right side
    61,275.87x = 4,792,778,796.40
  5. Step 5: Solve for x
    x = 4,792,778,796.40/61,275.87
  6. Step 6: Final answer
    x = 78,216.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.