Home / 115,098.48-172,646.76-31,992.24

Finding the Fourth Proportional to 115,098.48, 172,646.76 and 31,992.24

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Solution

The fourth proportional to 115,098.48, 172,646.76 and 31,992.24 is: 47,988.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,098.48 : 172,646.76 = 31,992.24 : x
  2. Step 2: Convert to fraction form
    115,098.48/172,646.76 = 31,992.24/x
  3. Step 3: Cross multiply
    115,098.48x = 172,646.76 × 31,992.24
  4. Step 4: Simplify right side
    115,098.48x = 5,523,356,581.14
  5. Step 5: Solve for x
    x = 5,523,356,581.14/115,098.48
  6. Step 6: Final answer
    x = 47,988.09

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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.