Home / 84,239.03-126,468.87-56,338.37

Finding the Fourth Proportional to 84,239.03, 126,468.87 and 56,338.37

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Solution

The fourth proportional to 84,239.03, 126,468.87 and 56,338.37 is: 84,581.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,239.03 : 126,468.87 = 56,338.37 : x
  2. Step 2: Convert to fraction form
    84,239.03/126,468.87 = 56,338.37/x
  3. Step 3: Cross multiply
    84,239.03x = 126,468.87 × 56,338.37
  4. Step 4: Simplify right side
    84,239.03x = 7,125,049,359.20
  5. Step 5: Solve for x
    x = 7,125,049,359.20/84,239.03
  6. Step 6: Final answer
    x = 84,581.34

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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.