Home / 72,776.48-100,428.26-44,095.79

Finding the Fourth Proportional to 72,776.48, 100,428.26 and 44,095.79

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Solution

The fourth proportional to 72,776.48, 100,428.26 and 44,095.79 is: 60,850.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,776.48 : 100,428.26 = 44,095.79 : x
  2. Step 2: Convert to fraction form
    72,776.48/100,428.26 = 44,095.79/x
  3. Step 3: Cross multiply
    72,776.48x = 100,428.26 × 44,095.79
  4. Step 4: Simplify right side
    72,776.48x = 4,428,463,493.62
  5. Step 5: Solve for x
    x = 4,428,463,493.62/72,776.48
  6. Step 6: Final answer
    x = 60,850.21

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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.