Home / 117,056.49-161,536.77-63,340.35

Finding the Fourth Proportional to 117,056.49, 161,536.77 and 63,340.35

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Solution

The fourth proportional to 117,056.49, 161,536.77 and 63,340.35 is: 87,409.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,056.49 : 161,536.77 = 63,340.35 : x
  2. Step 2: Convert to fraction form
    117,056.49/161,536.77 = 63,340.35/x
  3. Step 3: Cross multiply
    117,056.49x = 161,536.77 × 63,340.35
  4. Step 4: Simplify right side
    117,056.49x = 10,231,795,549.67
  5. Step 5: Solve for x
    x = 10,231,795,549.67/117,056.49
  6. Step 6: Final answer
    x = 87,409.04

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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.