Home / 117,179.01-161,707.23-63,464.49

Finding the Fourth Proportional to 117,179.01, 161,707.23 and 63,464.49

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Solution

The fourth proportional to 117,179.01, 161,707.23 and 63,464.49 is: 87,581.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,179.01 : 161,707.23 = 63,464.49 : x
  2. Step 2: Convert to fraction form
    117,179.01/161,707.23 = 63,464.49/x
  3. Step 3: Cross multiply
    117,179.01x = 161,707.23 × 63,464.49
  4. Step 4: Simplify right side
    117,179.01x = 10,262,666,881.26
  5. Step 5: Solve for x
    x = 10,262,666,881.26/117,179.01
  6. Step 6: Final answer
    x = 87,581.10

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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.