Home / 89,998.89-124,182.24-58,149.35

Finding the Fourth Proportional to 89,998.89, 124,182.24 and 58,149.35

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Solution

The fourth proportional to 89,998.89, 124,182.24 and 58,149.35 is: 80,235.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,998.89 : 124,182.24 = 58,149.35 : x
  2. Step 2: Convert to fraction form
    89,998.89/124,182.24 = 58,149.35/x
  3. Step 3: Cross multiply
    89,998.89x = 124,182.24 × 58,149.35
  4. Step 4: Simplify right side
    89,998.89x = 7,221,115,916.63
  5. Step 5: Solve for x
    x = 7,221,115,916.63/89,998.89
  6. Step 6: Final answer
    x = 80,235.61

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1.5x scale

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.