Home / 58,719.74-81,033.82-31,862.46

Finding the Fourth Proportional to 58,719.74, 81,033.82 and 31,862.46

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Solution

The fourth proportional to 58,719.74, 81,033.82 and 31,862.46 is: 43,970.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,719.74 : 81,033.82 = 31,862.46 : x
  2. Step 2: Convert to fraction form
    58,719.74/81,033.82 = 31,862.46/x
  3. Step 3: Cross multiply
    58,719.74x = 81,033.82 × 31,862.46
  4. Step 4: Simplify right side
    58,719.74x = 2,581,937,072.62
  5. Step 5: Solve for x
    x = 2,581,937,072.62/58,719.74
  6. Step 6: Final answer
    x = 43,970.52

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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.