Home / 127,415.36-175,828.92-70,825.52

Finding the Fourth Proportional to 127,415.36, 175,828.92 and 70,825.52

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Solution

The fourth proportional to 127,415.36, 175,828.92 and 70,825.52 is: 97,736.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,415.36 : 175,828.92 = 70,825.52 : x
  2. Step 2: Convert to fraction form
    127,415.36/175,828.92 = 70,825.52/x
  3. Step 3: Cross multiply
    127,415.36x = 175,828.92 × 70,825.52
  4. Step 4: Simplify right side
    127,415.36x = 12,453,174,690.04
  5. Step 5: Solve for x
    x = 12,453,174,690.04/127,415.36
  6. Step 6: Final answer
    x = 97,736.84

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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.