Home / 96,832.32-133,319.66-81,687.34

Finding the Fourth Proportional to 96,832.32, 133,319.66 and 81,687.34

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Solution

The fourth proportional to 96,832.32, 133,319.66 and 81,687.34 is: 112,467.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,832.32 : 133,319.66 = 81,687.34 : x
  2. Step 2: Convert to fraction form
    96,832.32/133,319.66 = 81,687.34/x
  3. Step 3: Cross multiply
    96,832.32x = 133,319.66 × 81,687.34
  4. Step 4: Simplify right side
    96,832.32x = 10,890,528,395.10
  5. Step 5: Solve for x
    x = 10,890,528,395.10/96,832.32
  6. Step 6: Final answer
    x = 112,467.91

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1.5x scale

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.