Home / 96,664.92-133,094.40-87,807.54

Finding the Fourth Proportional to 96,664.92, 133,094.40 and 87,807.54

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Solution

The fourth proportional to 96,664.92, 133,094.40 and 87,807.54 is: 120,899.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,664.92 : 133,094.40 = 87,807.54 : x
  2. Step 2: Convert to fraction form
    96,664.92/133,094.40 = 87,807.54/x
  3. Step 3: Cross multiply
    96,664.92x = 133,094.40 × 87,807.54
  4. Step 4: Simplify right side
    96,664.92x = 11,686,691,851.78
  5. Step 5: Solve for x
    x = 11,686,691,851.78/96,664.92
  6. Step 6: Final answer
    x = 120,899.00

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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.