Home / 62,542.85-93,824.01-20,980.13

Finding the Fourth Proportional to 62,542.85, 93,824.01 and 20,980.13

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Solution

The fourth proportional to 62,542.85, 93,824.01 and 20,980.13 is: 31,473.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,542.85 : 93,824.01 = 20,980.13 : x
  2. Step 2: Convert to fraction form
    62,542.85/93,824.01 = 20,980.13/x
  3. Step 3: Cross multiply
    62,542.85x = 93,824.01 × 20,980.13
  4. Step 4: Simplify right side
    62,542.85x = 1,968,439,457.80
  5. Step 5: Solve for x
    x = 1,968,439,457.80/62,542.85
  6. Step 6: Final answer
    x = 31,473.46

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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.