Home / 124,621.13-171,991.96-70,175.06

Finding the Fourth Proportional to 124,621.13, 171,991.96 and 70,175.06

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Solution

The fourth proportional to 124,621.13, 171,991.96 and 70,175.06 is: 96,849.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,621.13 : 171,991.96 = 70,175.06 : x
  2. Step 2: Convert to fraction form
    124,621.13/171,991.96 = 70,175.06/x
  3. Step 3: Cross multiply
    124,621.13x = 171,991.96 × 70,175.06
  4. Step 4: Simplify right side
    124,621.13x = 12,069,545,722.09
  5. Step 5: Solve for x
    x = 12,069,545,722.09/124,621.13
  6. Step 6: Final answer
    x = 96,849.91

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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.