Home / 84,124.83-126,182.30-31,529.91

Finding the Fourth Proportional to 84,124.83, 126,182.30 and 31,529.91

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Solution

The fourth proportional to 84,124.83, 126,182.30 and 31,529.91 is: 47,293.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,124.83 : 126,182.30 = 31,529.91 : x
  2. Step 2: Convert to fraction form
    84,124.83/126,182.30 = 31,529.91/x
  3. Step 3: Cross multiply
    84,124.83x = 126,182.30 × 31,529.91
  4. Step 4: Simplify right side
    84,124.83x = 3,978,516,404.94
  5. Step 5: Solve for x
    x = 3,978,516,404.94/84,124.83
  6. Step 6: Final answer
    x = 47,293.01

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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.