Home / 115,039.72-172,588.74-62,435.08

Finding the Fourth Proportional to 115,039.72, 172,588.74 and 62,435.08

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Solution

The fourth proportional to 115,039.72, 172,588.74 and 62,435.08 is: 93,668.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,039.72 : 172,588.74 = 62,435.08 : x
  2. Step 2: Convert to fraction form
    115,039.72/172,588.74 = 62,435.08/x
  3. Step 3: Cross multiply
    115,039.72x = 172,588.74 × 62,435.08
  4. Step 4: Simplify right side
    115,039.72x = 10,775,591,789.00
  5. Step 5: Solve for x
    x = 10,775,591,789.00/115,039.72
  6. Step 6: Final answer
    x = 93,668.45

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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.