Home / 81,404.46-112,338.36-45,596.52

Finding the Fourth Proportional to 81,404.46, 112,338.36 and 45,596.52

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Solution

The fourth proportional to 81,404.46, 112,338.36 and 45,596.52 is: 62,923.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,404.46 : 112,338.36 = 45,596.52 : x
  2. Step 2: Convert to fraction form
    81,404.46/112,338.36 = 45,596.52/x
  3. Step 3: Cross multiply
    81,404.46x = 112,338.36 × 45,596.52
  4. Step 4: Simplify right side
    81,404.46x = 5,122,238,278.51
  5. Step 5: Solve for x
    x = 5,122,238,278.51/81,404.46
  6. Step 6: Final answer
    x = 62,923.31

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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.