Home / 87,845.56-121,195.38-50,097.94

Finding the Fourth Proportional to 87,845.56, 121,195.38 and 50,097.94

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Solution

The fourth proportional to 87,845.56, 121,195.38 and 50,097.94 is: 69,117.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,845.56 : 121,195.38 = 50,097.94 : x
  2. Step 2: Convert to fraction form
    87,845.56/121,195.38 = 50,097.94/x
  3. Step 3: Cross multiply
    87,845.56x = 121,195.38 × 50,097.94
  4. Step 4: Simplify right side
    87,845.56x = 6,071,638,875.52
  5. Step 5: Solve for x
    x = 6,071,638,875.52/87,845.56
  6. Step 6: Final answer
    x = 69,117.20

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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.