Home / 127,464.72-175,902.44-70,878.48

Finding the Fourth Proportional to 127,464.72, 175,902.44 and 70,878.48

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Solution

The fourth proportional to 127,464.72, 175,902.44 and 70,878.48 is: 97,812.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,464.72 : 175,902.44 = 70,878.48 : x
  2. Step 2: Convert to fraction form
    127,464.72/175,902.44 = 70,878.48/x
  3. Step 3: Cross multiply
    127,464.72x = 175,902.44 × 70,878.48
  4. Step 4: Simplify right side
    127,464.72x = 12,467,697,575.49
  5. Step 5: Solve for x
    x = 12,467,697,575.49/127,464.72
  6. Step 6: Final answer
    x = 97,812.93

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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.