Home / 127,505.48-175,952.12-70,141.14

Finding the Fourth Proportional to 127,505.48, 175,952.12 and 70,141.14

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Solution

The fourth proportional to 127,505.48, 175,952.12 and 70,141.14 is: 96,791.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,505.48 : 175,952.12 = 70,141.14 : x
  2. Step 2: Convert to fraction form
    127,505.48/175,952.12 = 70,141.14/x
  3. Step 3: Cross multiply
    127,505.48x = 175,952.12 × 70,141.14
  4. Step 4: Simplify right side
    127,505.48x = 12,341,481,931.51
  5. Step 5: Solve for x
    x = 12,341,481,931.51/127,505.48
  6. Step 6: Final answer
    x = 96,791.78

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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.