Home / 111,389.07-153,714.92-62,990.26

Finding the Fourth Proportional to 111,389.07, 153,714.92 and 62,990.26

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Solution

The fourth proportional to 111,389.07, 153,714.92 and 62,990.26 is: 86,925.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,389.07 : 153,714.92 = 62,990.26 : x
  2. Step 2: Convert to fraction form
    111,389.07/153,714.92 = 62,990.26/x
  3. Step 3: Cross multiply
    111,389.07x = 153,714.92 × 62,990.26
  4. Step 4: Simplify right side
    111,389.07x = 9,682,542,077.44
  5. Step 5: Solve for x
    x = 9,682,542,077.44/111,389.07
  6. Step 6: Final answer
    x = 86,925.42

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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.