Home / 84,299.52-126,467.79-31,709.01

Finding the Fourth Proportional to 84,299.52, 126,467.79 and 31,709.01

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Solution

The fourth proportional to 84,299.52, 126,467.79 and 31,709.01 is: 47,570.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,299.52 : 126,467.79 = 31,709.01 : x
  2. Step 2: Convert to fraction form
    84,299.52/126,467.79 = 31,709.01/x
  3. Step 3: Cross multiply
    84,299.52x = 126,467.79 × 31,709.01
  4. Step 4: Simplify right side
    84,299.52x = 4,010,168,417.79
  5. Step 5: Solve for x
    x = 4,010,168,417.79/84,299.52
  6. Step 6: Final answer
    x = 47,570.48

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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.