Home / 87,268.93-120,427.97-53,334.18

Finding the Fourth Proportional to 87,268.93, 120,427.97 and 53,334.18

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Solution

The fourth proportional to 87,268.93, 120,427.97 and 53,334.18 is: 73,599.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,268.93 : 120,427.97 = 53,334.18 : x
  2. Step 2: Convert to fraction form
    87,268.93/120,427.97 = 53,334.18/x
  3. Step 3: Cross multiply
    87,268.93x = 120,427.97 × 53,334.18
  4. Step 4: Simplify right side
    87,268.93x = 6,422,926,762.34
  5. Step 5: Solve for x
    x = 6,422,926,762.34/87,268.93
  6. Step 6: Final answer
    x = 73,599.24

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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.