Home / 77,440.50-106,865.82-43,446.15

Finding the Fourth Proportional to 77,440.50, 106,865.82 and 43,446.15

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Solution

The fourth proportional to 77,440.50, 106,865.82 and 43,446.15 is: 59,954.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,440.50 : 106,865.82 = 43,446.15 : x
  2. Step 2: Convert to fraction form
    77,440.50/106,865.82 = 43,446.15/x
  3. Step 3: Cross multiply
    77,440.50x = 106,865.82 × 43,446.15
  4. Step 4: Simplify right side
    77,440.50x = 4,642,908,445.59
  5. Step 5: Solve for x
    x = 4,642,908,445.59/77,440.50
  6. Step 6: Final answer
    x = 59,954.53

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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.