Home / 87,933.08-121,349.91-53,960.33

Finding the Fourth Proportional to 87,933.08, 121,349.91 and 53,960.33

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Solution

The fourth proportional to 87,933.08, 121,349.91 and 53,960.33 is: 74,466.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,933.08 : 121,349.91 = 53,960.33 : x
  2. Step 2: Convert to fraction form
    87,933.08/121,349.91 = 53,960.33/x
  3. Step 3: Cross multiply
    87,933.08x = 121,349.91 × 53,960.33
  4. Step 4: Simplify right side
    87,933.08x = 6,548,080,582.32
  5. Step 5: Solve for x
    x = 6,548,080,582.32/87,933.08
  6. Step 6: Final answer
    x = 74,466.64

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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.