Home / 71,920.62-99,233.19-46,421.58

Finding the Fourth Proportional to 71,920.62, 99,233.19 and 46,421.58

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Solution

The fourth proportional to 71,920.62, 99,233.19 and 46,421.58 is: 64,050.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,920.62 : 99,233.19 = 46,421.58 : x
  2. Step 2: Convert to fraction form
    71,920.62/99,233.19 = 46,421.58/x
  3. Step 3: Cross multiply
    71,920.62x = 99,233.19 × 46,421.58
  4. Step 4: Simplify right side
    71,920.62x = 4,606,561,468.24
  5. Step 5: Solve for x
    x = 4,606,561,468.24/71,920.62
  6. Step 6: Final answer
    x = 64,050.64

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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.