Home / 76,998.24-106,256.76-45,161.10

Finding the Fourth Proportional to 76,998.24, 106,256.76 and 45,161.10

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Solution

The fourth proportional to 76,998.24, 106,256.76 and 45,161.10 is: 62,321.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,998.24 : 106,256.76 = 45,161.10 : x
  2. Step 2: Convert to fraction form
    76,998.24/106,256.76 = 45,161.10/x
  3. Step 3: Cross multiply
    76,998.24x = 106,256.76 × 45,161.10
  4. Step 4: Simplify right side
    76,998.24x = 4,798,672,164.04
  5. Step 5: Solve for x
    x = 4,798,672,164.04/76,998.24
  6. Step 6: Final answer
    x = 62,321.84

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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.