Home / 98,073.25-134,916.38-85,919.00

Finding the Fourth Proportional to 98,073.25, 134,916.38 and 85,919.00

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Solution

The fourth proportional to 98,073.25, 134,916.38 and 85,919.00 is: 118,196.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,073.25 : 134,916.38 = 85,919.00 : x
  2. Step 2: Convert to fraction form
    98,073.25/134,916.38 = 85,919.00/x
  3. Step 3: Cross multiply
    98,073.25x = 134,916.38 × 85,919.00
  4. Step 4: Simplify right side
    98,073.25x = 11,591,879,671.24
  5. Step 5: Solve for x
    x = 11,591,879,671.24/98,073.25
  6. Step 6: Final answer
    x = 118,196.14

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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.