Home / 58,646.62-80,931.86-31,788.44

Finding the Fourth Proportional to 58,646.62, 80,931.86 and 31,788.44

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Solution

The fourth proportional to 58,646.62, 80,931.86 and 31,788.44 is: 43,867.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,646.62 : 80,931.86 = 31,788.44 : x
  2. Step 2: Convert to fraction form
    58,646.62/80,931.86 = 31,788.44/x
  3. Step 3: Cross multiply
    58,646.62x = 80,931.86 × 31,788.44
  4. Step 4: Simplify right side
    58,646.62x = 2,572,697,171.04
  5. Step 5: Solve for x
    x = 2,572,697,171.04/58,646.62
  6. Step 6: Final answer
    x = 43,867.79

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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.