Home / 115,355.31-159,179.27-70,058.09

Finding the Fourth Proportional to 115,355.31, 159,179.27 and 70,058.09

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Solution

The fourth proportional to 115,355.31, 159,179.27 and 70,058.09 is: 96,673.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,355.31 : 159,179.27 = 70,058.09 : x
  2. Step 2: Convert to fraction form
    115,355.31/159,179.27 = 70,058.09/x
  3. Step 3: Cross multiply
    115,355.31x = 159,179.27 × 70,058.09
  4. Step 4: Simplify right side
    115,355.31x = 11,151,794,477.61
  5. Step 5: Solve for x
    x = 11,151,794,477.61/115,355.31
  6. Step 6: Final answer
    x = 96,673.44

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1.5x scale

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.