Home / 71,280.48-106,889.58-33,851.28

Finding the Fourth Proportional to 71,280.48, 106,889.58 and 33,851.28

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Solution

The fourth proportional to 71,280.48, 106,889.58 and 33,851.28 is: 50,762.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,280.48 : 106,889.58 = 33,851.28 : x
  2. Step 2: Convert to fraction form
    71,280.48/106,889.58 = 33,851.28/x
  3. Step 3: Cross multiply
    71,280.48x = 106,889.58 × 33,851.28
  4. Step 4: Simplify right side
    71,280.48x = 3,618,349,101.66
  5. Step 5: Solve for x
    x = 3,618,349,101.66/71,280.48
  6. Step 6: Final answer
    x = 50,762.13

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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.