Home / 79,061.07-118,609.08-36,918.18

Finding the Fourth Proportional to 79,061.07, 118,609.08 and 36,918.18

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Solution

The fourth proportional to 79,061.07, 118,609.08 and 36,918.18 is: 55,385.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,061.07 : 118,609.08 = 36,918.18 : x
  2. Step 2: Convert to fraction form
    79,061.07/118,609.08 = 36,918.18/x
  3. Step 3: Cross multiply
    79,061.07x = 118,609.08 × 36,918.18
  4. Step 4: Simplify right side
    79,061.07x = 4,378,831,365.07
  5. Step 5: Solve for x
    x = 4,378,831,365.07/79,061.07
  6. Step 6: Final answer
    x = 55,385.43

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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.