Home / 89,875.96-124,029.27-49,589.75

Finding the Fourth Proportional to 89,875.96, 124,029.27 and 49,589.75

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Solution

The fourth proportional to 89,875.96, 124,029.27 and 49,589.75 is: 68,434.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,875.96 : 124,029.27 = 49,589.75 : x
  2. Step 2: Convert to fraction form
    89,875.96/124,029.27 = 49,589.75/x
  3. Step 3: Cross multiply
    89,875.96x = 124,029.27 × 49,589.75
  4. Step 4: Simplify right side
    89,875.96x = 6,150,580,802.06
  5. Step 5: Solve for x
    x = 6,150,580,802.06/89,875.96
  6. Step 6: Final answer
    x = 68,434.10

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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.