Home / 89,958.24-124,125.35-49,670.87

Finding the Fourth Proportional to 89,958.24, 124,125.35 and 49,670.87

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Solution

The fourth proportional to 89,958.24, 124,125.35 and 49,670.87 is: 68,536.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,958.24 : 124,125.35 = 49,670.87 : x
  2. Step 2: Convert to fraction form
    89,958.24/124,125.35 = 49,670.87/x
  3. Step 3: Cross multiply
    89,958.24x = 124,125.35 × 49,670.87
  4. Step 4: Simplify right side
    89,958.24x = 6,165,413,254.57
  5. Step 5: Solve for x
    x = 6,165,413,254.57/89,958.24
  6. Step 6: Final answer
    x = 68,536.39

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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.