Home / 100,137.83-138,202.47-59,851.26

Finding the Fourth Proportional to 100,137.83, 138,202.47 and 59,851.26

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Solution

The fourth proportional to 100,137.83, 138,202.47 and 59,851.26 is: 82,602.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,137.83 : 138,202.47 = 59,851.26 : x
  2. Step 2: Convert to fraction form
    100,137.83/138,202.47 = 59,851.26/x
  3. Step 3: Cross multiply
    100,137.83x = 138,202.47 × 59,851.26
  4. Step 4: Simplify right side
    100,137.83x = 8,271,591,964.61
  5. Step 5: Solve for x
    x = 8,271,591,964.61/100,137.83
  6. Step 6: Final answer
    x = 82,602.07

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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.