Home / 77,259.42-106,620.35-43,267.82

Finding the Fourth Proportional to 77,259.42, 106,620.35 and 43,267.82

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Solution

The fourth proportional to 77,259.42, 106,620.35 and 43,267.82 is: 59,710.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,259.42 : 106,620.35 = 43,267.82 : x
  2. Step 2: Convert to fraction form
    77,259.42/106,620.35 = 43,267.82/x
  3. Step 3: Cross multiply
    77,259.42x = 106,620.35 × 43,267.82
  4. Step 4: Simplify right side
    77,259.42x = 4,613,230,205.82
  5. Step 5: Solve for x
    x = 4,613,230,205.82/77,259.42
  6. Step 6: Final answer
    x = 59,710.91

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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.