Home / 76,480.29-105,631.11-50,944.59

Finding the Fourth Proportional to 76,480.29, 105,631.11 and 50,944.59

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Solution

The fourth proportional to 76,480.29, 105,631.11 and 50,944.59 is: 70,362.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,480.29 : 105,631.11 = 50,944.59 : x
  2. Step 2: Convert to fraction form
    76,480.29/105,631.11 = 50,944.59/x
  3. Step 3: Cross multiply
    76,480.29x = 105,631.11 × 50,944.59
  4. Step 4: Simplify right side
    76,480.29x = 5,381,333,590.19
  5. Step 5: Solve for x
    x = 5,381,333,590.19/76,480.29
  6. Step 6: Final answer
    x = 70,362.36

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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.