Home / 103,249.18-154,672.51-58,132.63

Finding the Fourth Proportional to 103,249.18, 154,672.51 and 58,132.63

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Solution

The fourth proportional to 103,249.18, 154,672.51 and 58,132.63 is: 87,085.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,249.18 : 154,672.51 = 58,132.63 : x
  2. Step 2: Convert to fraction form
    103,249.18/154,672.51 = 58,132.63/x
  3. Step 3: Cross multiply
    103,249.18x = 154,672.51 × 58,132.63
  4. Step 4: Simplify right side
    103,249.18x = 8,991,518,730.98
  5. Step 5: Solve for x
    x = 8,991,518,730.98/103,249.18
  6. Step 6: Final answer
    x = 87,085.62

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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.