Home / 96,916.32-145,103.76-52,383.60

Finding the Fourth Proportional to 96,916.32, 145,103.76 and 52,383.60

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Solution

The fourth proportional to 96,916.32, 145,103.76 and 52,383.60 is: 78,429.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,916.32 : 145,103.76 = 52,383.60 : x
  2. Step 2: Convert to fraction form
    96,916.32/145,103.76 = 52,383.60/x
  3. Step 3: Cross multiply
    96,916.32x = 145,103.76 × 52,383.60
  4. Step 4: Simplify right side
    96,916.32x = 7,601,057,322.34
  5. Step 5: Solve for x
    x = 7,601,057,322.34/96,916.32
  6. Step 6: Final answer
    x = 78,429.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.