Home / 58,826.79-81,139.92-38,677.23

Finding the Fourth Proportional to 58,826.79, 81,139.92 and 38,677.23

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Solution

The fourth proportional to 58,826.79, 81,139.92 and 38,677.23 is: 53,347.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,826.79 : 81,139.92 = 38,677.23 : x
  2. Step 2: Convert to fraction form
    58,826.79/81,139.92 = 38,677.23/x
  3. Step 3: Cross multiply
    58,826.79x = 81,139.92 × 38,677.23
  4. Step 4: Simplify right side
    58,826.79x = 3,138,267,348.02
  5. Step 5: Solve for x
    x = 3,138,267,348.02/58,826.79
  6. Step 6: Final answer
    x = 53,347.59

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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.