Home / 89,845.34-124,026.42-58,029.75

Finding the Fourth Proportional to 89,845.34, 124,026.42 and 58,029.75

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Solution

The fourth proportional to 89,845.34, 124,026.42 and 58,029.75 is: 80,106.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,845.34 : 124,026.42 = 58,029.75 : x
  2. Step 2: Convert to fraction form
    89,845.34/124,026.42 = 58,029.75/x
  3. Step 3: Cross multiply
    89,845.34x = 124,026.42 × 58,029.75
  4. Step 4: Simplify right side
    89,845.34x = 7,197,221,855.85
  5. Step 5: Solve for x
    x = 7,197,221,855.85/89,845.34
  6. Step 6: Final answer
    x = 80,106.80

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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.