Home / 96,739.12-133,505.96-64,418.32

Finding the Fourth Proportional to 96,739.12, 133,505.96 and 64,418.32

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Solution

The fourth proportional to 96,739.12, 133,505.96 and 64,418.32 is: 88,901.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,739.12 : 133,505.96 = 64,418.32 : x
  2. Step 2: Convert to fraction form
    96,739.12/133,505.96 = 64,418.32/x
  3. Step 3: Cross multiply
    96,739.12x = 133,505.96 × 64,418.32
  4. Step 4: Simplify right side
    96,739.12x = 8,600,229,653.19
  5. Step 5: Solve for x
    x = 8,600,229,653.19/96,739.12
  6. Step 6: Final answer
    x = 88,901.26

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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.