Home / 127,469.90-175,908.61-70,880.06

Finding the Fourth Proportional to 127,469.90, 175,908.61 and 70,880.06

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Solution

The fourth proportional to 127,469.90, 175,908.61 and 70,880.06 is: 97,814.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,469.90 : 175,908.61 = 70,880.06 : x
  2. Step 2: Convert to fraction form
    127,469.90/175,908.61 = 70,880.06/x
  3. Step 3: Cross multiply
    127,469.90x = 175,908.61 × 70,880.06
  4. Step 4: Simplify right side
    127,469.90x = 12,468,413,359.69
  5. Step 5: Solve for x
    x = 12,468,413,359.69/127,469.90
  6. Step 6: Final answer
    x = 97,814.57

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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.