Home / 117,102.48-161,601.36-63,387.93

Finding the Fourth Proportional to 117,102.48, 161,601.36 and 63,387.93

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Solution

The fourth proportional to 117,102.48, 161,601.36 and 63,387.93 is: 87,475.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,102.48 : 161,601.36 = 63,387.93 : x
  2. Step 2: Convert to fraction form
    117,102.48/161,601.36 = 63,387.93/x
  3. Step 3: Cross multiply
    117,102.48x = 161,601.36 × 63,387.93
  4. Step 4: Simplify right side
    117,102.48x = 10,243,575,695.58
  5. Step 5: Solve for x
    x = 10,243,575,695.58/117,102.48
  6. Step 6: Final answer
    x = 87,475.31

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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.