Home / 77,190.76-115,601.26-49,022.61

Finding the Fourth Proportional to 77,190.76, 115,601.26 and 49,022.61

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Solution

The fourth proportional to 77,190.76, 115,601.26 and 49,022.61 is: 73,416.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,190.76 : 115,601.26 = 49,022.61 : x
  2. Step 2: Convert to fraction form
    77,190.76/115,601.26 = 49,022.61/x
  3. Step 3: Cross multiply
    77,190.76x = 115,601.26 × 49,022.61
  4. Step 4: Simplify right side
    77,190.76x = 5,667,075,484.49
  5. Step 5: Solve for x
    x = 5,667,075,484.49/77,190.76
  6. Step 6: Final answer
    x = 73,416.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.