Home / 76,944.60-106,189.38-45,131.04

Finding the Fourth Proportional to 76,944.60, 106,189.38 and 45,131.04

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Solution

The fourth proportional to 76,944.60, 106,189.38 and 45,131.04 is: 62,284.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,944.60 : 106,189.38 = 45,131.04 : x
  2. Step 2: Convert to fraction form
    76,944.60/106,189.38 = 45,131.04/x
  3. Step 3: Cross multiply
    76,944.60x = 106,189.38 × 45,131.04
  4. Step 4: Simplify right side
    76,944.60x = 4,792,437,156.36
  5. Step 5: Solve for x
    x = 4,792,437,156.36/76,944.60
  6. Step 6: Final answer
    x = 62,284.26

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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.