Home / 127,081.46-175,393.44-70,511.06

Finding the Fourth Proportional to 127,081.46, 175,393.44 and 70,511.06

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Solution

The fourth proportional to 127,081.46, 175,393.44 and 70,511.06 is: 97,316.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,081.46 : 175,393.44 = 70,511.06 : x
  2. Step 2: Convert to fraction form
    127,081.46/175,393.44 = 70,511.06/x
  3. Step 3: Cross multiply
    127,081.46x = 175,393.44 × 70,511.06
  4. Step 4: Simplify right side
    127,081.46x = 12,367,177,371.45
  5. Step 5: Solve for x
    x = 12,367,177,371.45/127,081.46
  6. Step 6: Final answer
    x = 97,316.93

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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.