Home / 88,094.90-121,481.64-75,390.26

Finding the Fourth Proportional to 88,094.90, 121,481.64 and 75,390.26

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Solution

The fourth proportional to 88,094.90, 121,481.64 and 75,390.26 is: 103,962.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,094.90 : 121,481.64 = 75,390.26 : x
  2. Step 2: Convert to fraction form
    88,094.90/121,481.64 = 75,390.26/x
  3. Step 3: Cross multiply
    88,094.90x = 121,481.64 × 75,390.26
  4. Step 4: Simplify right side
    88,094.90x = 9,158,531,817.42
  5. Step 5: Solve for x
    x = 9,158,531,817.42/88,094.90
  6. Step 6: Final answer
    x = 103,962.12

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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.