Home / 117,056.56-161,536.90-63,340.44

Finding the Fourth Proportional to 117,056.56, 161,536.90 and 63,340.44

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Solution

The fourth proportional to 117,056.56, 161,536.90 and 63,340.44 is: 87,409.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,056.56 : 161,536.90 = 63,340.44 : x
  2. Step 2: Convert to fraction form
    117,056.56/161,536.90 = 63,340.44/x
  3. Step 3: Cross multiply
    117,056.56x = 161,536.90 × 63,340.44
  4. Step 4: Simplify right side
    117,056.56x = 10,231,818,322.24
  5. Step 5: Solve for x
    x = 10,231,818,322.24/117,056.56
  6. Step 6: Final answer
    x = 87,409.18

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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.