Home / 107,946.71-161,881.17-45,622.07

Finding the Fourth Proportional to 107,946.71, 161,881.17 and 45,622.07

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Solution

The fourth proportional to 107,946.71, 161,881.17 and 45,622.07 is: 68,416.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,946.71 : 161,881.17 = 45,622.07 : x
  2. Step 2: Convert to fraction form
    107,946.71/161,881.17 = 45,622.07/x
  3. Step 3: Cross multiply
    107,946.71x = 161,881.17 × 45,622.07
  4. Step 4: Simplify right side
    107,946.71x = 7,385,353,260.02
  5. Step 5: Solve for x
    x = 7,385,353,260.02/107,946.71
  6. Step 6: Final answer
    x = 68,416.66

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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.