Home / 62,880.18-94,331.88-20,763.18

Finding the Fourth Proportional to 62,880.18, 94,331.88 and 20,763.18

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Solution

The fourth proportional to 62,880.18, 94,331.88 and 20,763.18 is: 31,148.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,880.18 : 94,331.88 = 20,763.18 : x
  2. Step 2: Convert to fraction form
    62,880.18/94,331.88 = 20,763.18/x
  3. Step 3: Cross multiply
    62,880.18x = 94,331.88 × 20,763.18
  4. Step 4: Simplify right side
    62,880.18x = 1,958,629,804.18
  5. Step 5: Solve for x
    x = 1,958,629,804.18/62,880.18
  6. Step 6: Final answer
    x = 31,148.60

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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.