Home / 76,922.28-106,152.69-43,388.28

Finding the Fourth Proportional to 76,922.28, 106,152.69 and 43,388.28

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Solution

The fourth proportional to 76,922.28, 106,152.69 and 43,388.28 is: 59,875.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,922.28 : 106,152.69 = 43,388.28 : x
  2. Step 2: Convert to fraction form
    76,922.28/106,152.69 = 43,388.28/x
  3. Step 3: Cross multiply
    76,922.28x = 106,152.69 × 43,388.28
  4. Step 4: Simplify right side
    76,922.28x = 4,605,782,636.47
  5. Step 5: Solve for x
    x = 4,605,782,636.47/76,922.28
  6. Step 6: Final answer
    x = 59,875.79

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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.