Home / 127,426.21-175,852.68-70,069.90

Finding the Fourth Proportional to 127,426.21, 175,852.68 and 70,069.90

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Solution

The fourth proportional to 127,426.21, 175,852.68 and 70,069.90 is: 96,698.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,426.21 : 175,852.68 = 70,069.90 : x
  2. Step 2: Convert to fraction form
    127,426.21/175,852.68 = 70,069.90/x
  3. Step 3: Cross multiply
    127,426.21x = 175,852.68 × 70,069.90
  4. Step 4: Simplify right side
    127,426.21x = 12,321,979,702.33
  5. Step 5: Solve for x
    x = 12,321,979,702.33/127,426.21
  6. Step 6: Final answer
    x = 96,698.94

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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.