Home / 77,900.25-116,838.53-21,734.45

Finding the Fourth Proportional to 77,900.25, 116,838.53 and 21,734.45

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Solution

The fourth proportional to 77,900.25, 116,838.53 and 21,734.45 is: 32,598.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,900.25 : 116,838.53 = 21,734.45 : x
  2. Step 2: Convert to fraction form
    77,900.25/116,838.53 = 21,734.45/x
  3. Step 3: Cross multiply
    77,900.25x = 116,838.53 × 21,734.45
  4. Step 4: Simplify right side
    77,900.25x = 2,539,420,495.49
  5. Step 5: Solve for x
    x = 2,539,420,495.49/77,900.25
  6. Step 6: Final answer
    x = 32,598.36

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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.