Home / 89,867.48-124,016.32-49,581.60

Finding the Fourth Proportional to 89,867.48, 124,016.32 and 49,581.60

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Solution

The fourth proportional to 89,867.48, 124,016.32 and 49,581.60 is: 68,422.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,867.48 : 124,016.32 = 49,581.60 : x
  2. Step 2: Convert to fraction form
    89,867.48/124,016.32 = 49,581.60/x
  3. Step 3: Cross multiply
    89,867.48x = 124,016.32 × 49,581.60
  4. Step 4: Simplify right side
    89,867.48x = 6,148,927,571.71
  5. Step 5: Solve for x
    x = 6,148,927,571.71/89,867.48
  6. Step 6: Final answer
    x = 68,422.17

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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.