Home / 117,743.32-162,487.42-64,029.18

Finding the Fourth Proportional to 117,743.32, 162,487.42 and 64,029.18

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Solution

The fourth proportional to 117,743.32, 162,487.42 and 64,029.18 is: 88,361.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,743.32 : 162,487.42 = 64,029.18 : x
  2. Step 2: Convert to fraction form
    117,743.32/162,487.42 = 64,029.18/x
  3. Step 3: Cross multiply
    117,743.32x = 162,487.42 × 64,029.18
  4. Step 4: Simplify right side
    117,743.32x = 10,403,936,712.17
  5. Step 5: Solve for x
    x = 10,403,936,712.17/117,743.32
  6. Step 6: Final answer
    x = 88,361.16

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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.