Home / 58,718.75-81,029.63-31,860.36

Finding the Fourth Proportional to 58,718.75, 81,029.63 and 31,860.36

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Solution

The fourth proportional to 58,718.75, 81,029.63 and 31,860.36 is: 43,966.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,718.75 : 81,029.63 = 31,860.36 : x
  2. Step 2: Convert to fraction form
    58,718.75/81,029.63 = 31,860.36/x
  3. Step 3: Cross multiply
    58,718.75x = 81,029.63 × 31,860.36
  4. Step 4: Simplify right side
    58,718.75x = 2,581,633,262.12
  5. Step 5: Solve for x
    x = 2,581,633,262.12/58,718.75
  6. Step 6: Final answer
    x = 43,966.08

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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.