Home / 127,387.44-175,793.40-70,797.60

Finding the Fourth Proportional to 127,387.44, 175,793.40 and 70,797.60

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Solution

The fourth proportional to 127,387.44, 175,793.40 and 70,797.60 is: 97,699.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,387.44 : 175,793.40 = 70,797.60 : x
  2. Step 2: Convert to fraction form
    127,387.44/175,793.40 = 70,797.60/x
  3. Step 3: Cross multiply
    127,387.44x = 175,793.40 × 70,797.60
  4. Step 4: Simplify right side
    127,387.44x = 12,445,750,815.84
  5. Step 5: Solve for x
    x = 12,445,750,815.84/127,387.44
  6. Step 6: Final answer
    x = 97,699.98

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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.