Home / 63,172.50-87,138.75-37,661.14

Finding the Fourth Proportional to 63,172.50, 87,138.75 and 37,661.14

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Solution

The fourth proportional to 63,172.50, 87,138.75 and 37,661.14 is: 51,948.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,172.50 : 87,138.75 = 37,661.14 : x
  2. Step 2: Convert to fraction form
    63,172.50/87,138.75 = 37,661.14/x
  3. Step 3: Cross multiply
    63,172.50x = 87,138.75 × 37,661.14
  4. Step 4: Simplify right side
    63,172.50x = 3,281,744,663.18
  5. Step 5: Solve for x
    x = 3,281,744,663.18/63,172.50
  6. Step 6: Final answer
    x = 51,948.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.