Home / 77,377.77-115,908.27-45,692.24

Finding the Fourth Proportional to 77,377.77, 115,908.27 and 45,692.24

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Solution

The fourth proportional to 77,377.77, 115,908.27 and 45,692.24 is: 68,444.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,377.77 : 115,908.27 = 45,692.24 : x
  2. Step 2: Convert to fraction form
    77,377.77/115,908.27 = 45,692.24/x
  3. Step 3: Cross multiply
    77,377.77x = 115,908.27 × 45,692.24
  4. Step 4: Simplify right side
    77,377.77x = 5,296,108,228.93
  5. Step 5: Solve for x
    x = 5,296,108,228.93/77,377.77
  6. Step 6: Final answer
    x = 68,444.83

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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.