Home / 58,439.17-80,646.06-31,581.66

Finding the Fourth Proportional to 58,439.17, 80,646.06 and 31,581.66

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Solution

The fourth proportional to 58,439.17, 80,646.06 and 31,581.66 is: 43,582.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,439.17 : 80,646.06 = 31,581.66 : x
  2. Step 2: Convert to fraction form
    58,439.17/80,646.06 = 31,581.66/x
  3. Step 3: Cross multiply
    58,439.17x = 80,646.06 × 31,581.66
  4. Step 4: Simplify right side
    58,439.17x = 2,546,936,447.26
  5. Step 5: Solve for x
    x = 2,546,936,447.26/58,439.17
  6. Step 6: Final answer
    x = 43,582.69

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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.