Home / 53,108.36-79,662.54-18,073.16

Finding the Fourth Proportional to 53,108.36, 79,662.54 and 18,073.16

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Solution

The fourth proportional to 53,108.36, 79,662.54 and 18,073.16 is: 27,109.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,108.36 : 79,662.54 = 18,073.16 : x
  2. Step 2: Convert to fraction form
    53,108.36/79,662.54 = 18,073.16/x
  3. Step 3: Cross multiply
    53,108.36x = 79,662.54 × 18,073.16
  4. Step 4: Simplify right side
    53,108.36x = 1,439,753,831.43
  5. Step 5: Solve for x
    x = 1,439,753,831.43/53,108.36
  6. Step 6: Final answer
    x = 27,109.74

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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.