Home / 62,621.90-93,711.12-38,940.60

Finding the Fourth Proportional to 62,621.90, 93,711.12 and 38,940.60

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Solution

The fourth proportional to 62,621.90, 93,711.12 and 38,940.60 is: 58,273.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,621.90 : 93,711.12 = 38,940.60 : x
  2. Step 2: Convert to fraction form
    62,621.90/93,711.12 = 38,940.60/x
  3. Step 3: Cross multiply
    62,621.90x = 93,711.12 × 38,940.60
  4. Step 4: Simplify right side
    62,621.90x = 3,649,167,239.47
  5. Step 5: Solve for x
    x = 3,649,167,239.47/62,621.90
  6. Step 6: Final answer
    x = 58,273.02

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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.