Home / 89,916.86-124,031.84-58,104.56

Finding the Fourth Proportional to 89,916.86, 124,031.84 and 58,104.56

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Solution

The fourth proportional to 89,916.86, 124,031.84 and 58,104.56 is: 80,149.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,916.86 : 124,031.84 = 58,104.56 : x
  2. Step 2: Convert to fraction form
    89,916.86/124,031.84 = 58,104.56/x
  3. Step 3: Cross multiply
    89,916.86x = 124,031.84 × 58,104.56
  4. Step 4: Simplify right side
    89,916.86x = 7,206,815,489.19
  5. Step 5: Solve for x
    x = 7,206,815,489.19/89,916.86
  6. Step 6: Final answer
    x = 80,149.77

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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.