Home / 117,699.90-162,426.92-63,985.02

Finding the Fourth Proportional to 117,699.90, 162,426.92 and 63,985.02

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Solution

The fourth proportional to 117,699.90, 162,426.92 and 63,985.02 is: 88,299.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,699.90 : 162,426.92 = 63,985.02 : x
  2. Step 2: Convert to fraction form
    117,699.90/162,426.92 = 63,985.02/x
  3. Step 3: Cross multiply
    117,699.90x = 162,426.92 × 63,985.02
  4. Step 4: Simplify right side
    117,699.90x = 10,392,889,724.74
  5. Step 5: Solve for x
    x = 10,392,889,724.74/117,699.90
  6. Step 6: Final answer
    x = 88,299.90

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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.