Home / 57,322.22-79,108.54-31,831.52

Finding the Fourth Proportional to 57,322.22, 79,108.54 and 31,831.52

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Solution

The fourth proportional to 57,322.22, 79,108.54 and 31,831.52 is: 43,929.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,322.22 : 79,108.54 = 31,831.52 : x
  2. Step 2: Convert to fraction form
    57,322.22/79,108.54 = 31,831.52/x
  3. Step 3: Cross multiply
    57,322.22x = 79,108.54 × 31,831.52
  4. Step 4: Simplify right side
    57,322.22x = 2,518,145,073.18
  5. Step 5: Solve for x
    x = 2,518,145,073.18/57,322.22
  6. Step 6: Final answer
    x = 43,929.65

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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.