Home / 127,297.21-175,675.71-70,708.59

Finding the Fourth Proportional to 127,297.21, 175,675.71 and 70,708.59

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Solution

The fourth proportional to 127,297.21, 175,675.71 and 70,708.59 is: 97,580.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,297.21 : 175,675.71 = 70,708.59 : x
  2. Step 2: Convert to fraction form
    127,297.21/175,675.71 = 70,708.59/x
  3. Step 3: Cross multiply
    127,297.21x = 175,675.71 × 70,708.59
  4. Step 4: Simplify right side
    127,297.21x = 12,421,780,872.97
  5. Step 5: Solve for x
    x = 12,421,780,872.97/127,297.21
  6. Step 6: Final answer
    x = 97,580.94

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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.