Home / 78,932.24-118,398.14-65,025.36

Finding the Fourth Proportional to 78,932.24, 118,398.14 and 65,025.36

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Solution

The fourth proportional to 78,932.24, 118,398.14 and 65,025.36 is: 97,537.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,932.24 : 118,398.14 = 65,025.36 : x
  2. Step 2: Convert to fraction form
    78,932.24/118,398.14 = 65,025.36/x
  3. Step 3: Cross multiply
    78,932.24x = 118,398.14 × 65,025.36
  4. Step 4: Simplify right side
    78,932.24x = 7,698,881,676.83
  5. Step 5: Solve for x
    x = 7,698,881,676.83/78,932.24
  6. Step 6: Final answer
    x = 97,537.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.