Home / 84,444.91-126,685.44-31,137.05

Finding the Fourth Proportional to 84,444.91, 126,685.44 and 31,137.05

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Solution

The fourth proportional to 84,444.91, 126,685.44 and 31,137.05 is: 46,712.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,444.91 : 126,685.44 = 31,137.05 : x
  2. Step 2: Convert to fraction form
    84,444.91/126,685.44 = 31,137.05/x
  3. Step 3: Cross multiply
    84,444.91x = 126,685.44 × 31,137.05
  4. Step 4: Simplify right side
    84,444.91x = 3,944,610,879.55
  5. Step 5: Solve for x
    x = 3,944,610,879.55/84,444.91
  6. Step 6: Final answer
    x = 46,712.24

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1.5x scale

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.