Home / 127,040.54-175,315.89-70,451.91

Finding the Fourth Proportional to 127,040.54, 175,315.89 and 70,451.91

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Solution

The fourth proportional to 127,040.54, 175,315.89 and 70,451.91 is: 97,223.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,040.54 : 175,315.89 = 70,451.91 : x
  2. Step 2: Convert to fraction form
    127,040.54/175,315.89 = 70,451.91/x
  3. Step 3: Cross multiply
    127,040.54x = 175,315.89 × 70,451.91
  4. Step 4: Simplify right side
    127,040.54x = 12,351,339,303.85
  5. Step 5: Solve for x
    x = 12,351,339,303.85/127,040.54
  6. Step 6: Final answer
    x = 97,223.61

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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.