Home / 111,393.08-153,720.44-62,994.24

Finding the Fourth Proportional to 111,393.08, 153,720.44 and 62,994.24

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Solution

The fourth proportional to 111,393.08, 153,720.44 and 62,994.24 is: 86,930.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,393.08 : 153,720.44 = 62,994.24 : x
  2. Step 2: Convert to fraction form
    111,393.08/153,720.44 = 62,994.24/x
  3. Step 3: Cross multiply
    111,393.08x = 153,720.44 × 62,994.24
  4. Step 4: Simplify right side
    111,393.08x = 9,683,502,290.27
  5. Step 5: Solve for x
    x = 9,683,502,290.27/111,393.08
  6. Step 6: Final answer
    x = 86,930.91

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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.