Home / 71,948.02-107,970.51-25,201.30

Finding the Fourth Proportional to 71,948.02, 107,970.51 and 25,201.30

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Solution

The fourth proportional to 71,948.02, 107,970.51 and 25,201.30 is: 37,818.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,948.02 : 107,970.51 = 25,201.30 : x
  2. Step 2: Convert to fraction form
    71,948.02/107,970.51 = 25,201.30/x
  3. Step 3: Cross multiply
    71,948.02x = 107,970.51 × 25,201.30
  4. Step 4: Simplify right side
    71,948.02x = 2,720,997,213.66
  5. Step 5: Solve for x
    x = 2,720,997,213.66/71,948.02
  6. Step 6: Final answer
    x = 37,818.93

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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.