Home / 137,990.17-207,065.57-58,022.35

Finding the Fourth Proportional to 137,990.17, 207,065.57 and 58,022.35

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Solution

The fourth proportional to 137,990.17, 207,065.57 and 58,022.35 is: 87,067.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,990.17 : 207,065.57 = 58,022.35 : x
  2. Step 2: Convert to fraction form
    137,990.17/207,065.57 = 58,022.35/x
  3. Step 3: Cross multiply
    137,990.17x = 207,065.57 × 58,022.35
  4. Step 4: Simplify right side
    137,990.17x = 12,014,430,167.71
  5. Step 5: Solve for x
    x = 12,014,430,167.71/137,990.17
  6. Step 6: Final answer
    x = 87,067.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.