Home / 127,427.52-175,829.28-70,837.44

Finding the Fourth Proportional to 127,427.52, 175,829.28 and 70,837.44

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Solution

The fourth proportional to 127,427.52, 175,829.28 and 70,837.44 is: 97,744.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,427.52 : 175,829.28 = 70,837.44 : x
  2. Step 2: Convert to fraction form
    127,427.52/175,829.28 = 70,837.44/x
  3. Step 3: Cross multiply
    127,427.52x = 175,829.28 × 70,837.44
  4. Step 4: Simplify right side
    127,427.52x = 12,455,296,072.24
  5. Step 5: Solve for x
    x = 12,455,296,072.24/127,427.52
  6. Step 6: Final answer
    x = 97,744.16

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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.