Home / 61,162.83-91,831.86-45,416.43

Finding the Fourth Proportional to 61,162.83, 91,831.86 and 45,416.43

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Solution

The fourth proportional to 61,162.83, 91,831.86 and 45,416.43 is: 68,189.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,162.83 : 91,831.86 = 45,416.43 : x
  2. Step 2: Convert to fraction form
    61,162.83/91,831.86 = 45,416.43/x
  3. Step 3: Cross multiply
    61,162.83x = 91,831.86 × 45,416.43
  4. Step 4: Simplify right side
    61,162.83x = 4,170,675,241.46
  5. Step 5: Solve for x
    x = 4,170,675,241.46/61,162.83
  6. Step 6: Final answer
    x = 68,189.70

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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.