Home / 115,116.08-172,628.76-55,934.24

Finding the Fourth Proportional to 115,116.08, 172,628.76 and 55,934.24

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Solution

The fourth proportional to 115,116.08, 172,628.76 and 55,934.24 is: 83,879.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,116.08 : 172,628.76 = 55,934.24 : x
  2. Step 2: Convert to fraction form
    115,116.08/172,628.76 = 55,934.24/x
  3. Step 3: Cross multiply
    115,116.08x = 172,628.76 × 55,934.24
  4. Step 4: Simplify right side
    115,116.08x = 9,655,858,492.74
  5. Step 5: Solve for x
    x = 9,655,858,492.74/115,116.08
  6. Step 6: Final answer
    x = 83,879.32

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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.