Home / 127,271.39-175,629.69-70,686.41

Finding the Fourth Proportional to 127,271.39, 175,629.69 and 70,686.41

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Solution

The fourth proportional to 127,271.39, 175,629.69 and 70,686.41 is: 97,544.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,271.39 : 175,629.69 = 70,686.41 : x
  2. Step 2: Convert to fraction form
    127,271.39/175,629.69 = 70,686.41/x
  3. Step 3: Cross multiply
    127,271.39x = 175,629.69 × 70,686.41
  4. Step 4: Simplify right side
    127,271.39x = 12,414,631,397.36
  5. Step 5: Solve for x
    x = 12,414,631,397.36/127,271.39
  6. Step 6: Final answer
    x = 97,544.56

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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.