Home / 117,476.04-162,115.40-63,763.08

Finding the Fourth Proportional to 117,476.04, 162,115.40 and 63,763.08

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Solution

The fourth proportional to 117,476.04, 162,115.40 and 63,763.08 is: 87,992.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,476.04 : 162,115.40 = 63,763.08 : x
  2. Step 2: Convert to fraction form
    117,476.04/162,115.40 = 63,763.08/x
  3. Step 3: Cross multiply
    117,476.04x = 162,115.40 × 63,763.08
  4. Step 4: Simplify right side
    117,476.04x = 10,336,977,219.43
  5. Step 5: Solve for x
    x = 10,336,977,219.43/117,476.04
  6. Step 6: Final answer
    x = 87,992.22

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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.