Home / 58,726.67-81,043.02-31,869.17

Finding the Fourth Proportional to 58,726.67, 81,043.02 and 31,869.17

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Solution

The fourth proportional to 58,726.67, 81,043.02 and 31,869.17 is: 43,979.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,726.67 : 81,043.02 = 31,869.17 : x
  2. Step 2: Convert to fraction form
    58,726.67/81,043.02 = 31,869.17/x
  3. Step 3: Cross multiply
    58,726.67x = 81,043.02 × 31,869.17
  4. Step 4: Simplify right side
    58,726.67x = 2,582,773,984.30
  5. Step 5: Solve for x
    x = 2,582,773,984.30/58,726.67
  6. Step 6: Final answer
    x = 43,979.57

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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.