Home / 115,275.96-172,899.36-31,042.85

Finding the Fourth Proportional to 115,275.96, 172,899.36 and 31,042.85

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Solution

The fourth proportional to 115,275.96, 172,899.36 and 31,042.85 is: 46,560.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,275.96 : 172,899.36 = 31,042.85 : x
  2. Step 2: Convert to fraction form
    115,275.96/172,899.36 = 31,042.85/x
  3. Step 3: Cross multiply
    115,275.96x = 172,899.36 × 31,042.85
  4. Step 4: Simplify right side
    115,275.96x = 5,367,288,033.08
  5. Step 5: Solve for x
    x = 5,367,288,033.08/115,275.96
  6. Step 6: Final answer
    x = 46,560.34

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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.