Home / 114,772.22-172,186.08-39,881.50

Finding the Fourth Proportional to 114,772.22, 172,186.08 and 39,881.50

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Solution

The fourth proportional to 114,772.22, 172,186.08 and 39,881.50 is: 59,831.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,772.22 : 172,186.08 = 39,881.50 : x
  2. Step 2: Convert to fraction form
    114,772.22/172,186.08 = 39,881.50/x
  3. Step 3: Cross multiply
    114,772.22x = 172,186.08 × 39,881.50
  4. Step 4: Simplify right side
    114,772.22x = 6,867,039,149.52
  5. Step 5: Solve for x
    x = 6,867,039,149.52/114,772.22
  6. Step 6: Final answer
    x = 59,831.89

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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.