Home / 62,534.53-93,811.52-20,991.25

Finding the Fourth Proportional to 62,534.53, 93,811.52 and 20,991.25

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Solution

The fourth proportional to 62,534.53, 93,811.52 and 20,991.25 is: 31,490.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,534.53 : 93,811.52 = 20,991.25 : x
  2. Step 2: Convert to fraction form
    62,534.53/93,811.52 = 20,991.25/x
  3. Step 3: Cross multiply
    62,534.53x = 93,811.52 × 20,991.25
  4. Step 4: Simplify right side
    62,534.53x = 1,969,221,120.87
  5. Step 5: Solve for x
    x = 1,969,221,120.87/62,534.53
  6. Step 6: Final answer
    x = 31,490.14

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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.