Home / 98,869.71-136,439.52-53,546.66

Finding the Fourth Proportional to 98,869.71, 136,439.52 and 53,546.66

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Solution

The fourth proportional to 98,869.71, 136,439.52 and 53,546.66 is: 73,894.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,869.71 : 136,439.52 = 53,546.66 : x
  2. Step 2: Convert to fraction form
    98,869.71/136,439.52 = 53,546.66/x
  3. Step 3: Cross multiply
    98,869.71x = 136,439.52 × 53,546.66
  4. Step 4: Simplify right side
    98,869.71x = 7,305,879,905.81
  5. Step 5: Solve for x
    x = 7,305,879,905.81/98,869.71
  6. Step 6: Final answer
    x = 73,894.02

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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.