Home / 117,530.68-162,195.16-63,817.96

Finding the Fourth Proportional to 117,530.68, 162,195.16 and 63,817.96

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Solution

The fourth proportional to 117,530.68, 162,195.16 and 63,817.96 is: 88,070.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,530.68 : 162,195.16 = 63,817.96 : x
  2. Step 2: Convert to fraction form
    117,530.68/162,195.16 = 63,817.96/x
  3. Step 3: Cross multiply
    117,530.68x = 162,195.16 × 63,817.96
  4. Step 4: Simplify right side
    117,530.68x = 10,350,963,913.98
  5. Step 5: Solve for x
    x = 10,350,963,913.98/117,530.68
  6. Step 6: Final answer
    x = 88,070.31

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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.