Home / 95,638.78-131,981.14-53,197.32

Finding the Fourth Proportional to 95,638.78, 131,981.14 and 53,197.32

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Solution

The fourth proportional to 95,638.78, 131,981.14 and 53,197.32 is: 73,412.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,638.78 : 131,981.14 = 53,197.32 : x
  2. Step 2: Convert to fraction form
    95,638.78/131,981.14 = 53,197.32/x
  3. Step 3: Cross multiply
    95,638.78x = 131,981.14 × 53,197.32
  4. Step 4: Simplify right side
    95,638.78x = 7,021,042,012.65
  5. Step 5: Solve for x
    x = 7,021,042,012.65/95,638.78
  6. Step 6: Final answer
    x = 73,412.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.