Home / 84,309.08-126,525.99-39,935.93

Finding the Fourth Proportional to 84,309.08, 126,525.99 and 39,935.93

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Solution

The fourth proportional to 84,309.08, 126,525.99 and 39,935.93 is: 59,933.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,309.08 : 126,525.99 = 39,935.93 : x
  2. Step 2: Convert to fraction form
    84,309.08/126,525.99 = 39,935.93/x
  3. Step 3: Cross multiply
    84,309.08x = 126,525.99 × 39,935.93
  4. Step 4: Simplify right side
    84,309.08x = 5,052,933,079.82
  5. Step 5: Solve for x
    x = 5,052,933,079.82/84,309.08
  6. Step 6: Final answer
    x = 59,933.44

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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.