Home / 76,195.64-105,151.56-45,600.36

Finding the Fourth Proportional to 76,195.64, 105,151.56 and 45,600.36

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Solution

The fourth proportional to 76,195.64, 105,151.56 and 45,600.36 is: 62,929.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,195.64 : 105,151.56 = 45,600.36 : x
  2. Step 2: Convert to fraction form
    76,195.64/105,151.56 = 45,600.36/x
  3. Step 3: Cross multiply
    76,195.64x = 105,151.56 × 45,600.36
  4. Step 4: Simplify right side
    76,195.64x = 4,794,948,856.59
  5. Step 5: Solve for x
    x = 4,794,948,856.59/76,195.64
  6. Step 6: Final answer
    x = 62,929.44

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1.5x scale

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.