Home / 117,564.55-162,240.56-63,850.47

Finding the Fourth Proportional to 117,564.55, 162,240.56 and 63,850.47

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Solution

The fourth proportional to 117,564.55, 162,240.56 and 63,850.47 is: 88,114.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,564.55 : 162,240.56 = 63,850.47 : x
  2. Step 2: Convert to fraction form
    117,564.55/162,240.56 = 63,850.47/x
  3. Step 3: Cross multiply
    117,564.55x = 162,240.56 × 63,850.47
  4. Step 4: Simplify right side
    117,564.55x = 10,359,136,009.06
  5. Step 5: Solve for x
    x = 10,359,136,009.06/117,564.55
  6. Step 6: Final answer
    x = 88,114.45

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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.