Home / 107,514.72-161,272.08-51,356.16

Finding the Fourth Proportional to 107,514.72, 161,272.08 and 51,356.16

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Solution

The fourth proportional to 107,514.72, 161,272.08 and 51,356.16 is: 77,034.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,514.72 : 161,272.08 = 51,356.16 : x
  2. Step 2: Convert to fraction form
    107,514.72/161,272.08 = 51,356.16/x
  3. Step 3: Cross multiply
    107,514.72x = 161,272.08 × 51,356.16
  4. Step 4: Simplify right side
    107,514.72x = 8,282,314,744.01
  5. Step 5: Solve for x
    x = 8,282,314,744.01/107,514.72
  6. Step 6: Final answer
    x = 77,034.24

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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.