Home / 96,678.31-133,414.05-53,655.29

Finding the Fourth Proportional to 96,678.31, 133,414.05 and 53,655.29

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Solution

The fourth proportional to 96,678.31, 133,414.05 and 53,655.29 is: 74,043.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,678.31 : 133,414.05 = 53,655.29 : x
  2. Step 2: Convert to fraction form
    96,678.31/133,414.05 = 53,655.29/x
  3. Step 3: Cross multiply
    96,678.31x = 133,414.05 × 53,655.29
  4. Step 4: Simplify right side
    96,678.31x = 7,158,370,327.72
  5. Step 5: Solve for x
    x = 7,158,370,327.72/96,678.31
  6. Step 6: Final answer
    x = 74,043.19

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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.