Home / 117,440.47-162,069.02-63,725.93

Finding the Fourth Proportional to 117,440.47, 162,069.02 and 63,725.93

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Solution

The fourth proportional to 117,440.47, 162,069.02 and 63,725.93 is: 87,942.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,440.47 : 162,069.02 = 63,725.93 : x
  2. Step 2: Convert to fraction form
    117,440.47/162,069.02 = 63,725.93/x
  3. Step 3: Cross multiply
    117,440.47x = 162,069.02 × 63,725.93
  4. Step 4: Simplify right side
    117,440.47x = 10,327,999,023.69
  5. Step 5: Solve for x
    x = 10,327,999,023.69/117,440.47
  6. Step 6: Final answer
    x = 87,942.42

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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.