Home / 109,209.63-150,714.14-61,466.07

Finding the Fourth Proportional to 109,209.63, 150,714.14 and 61,466.07

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Solution

The fourth proportional to 109,209.63, 150,714.14 and 61,466.07 is: 84,825.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,209.63 : 150,714.14 = 61,466.07 : x
  2. Step 2: Convert to fraction form
    109,209.63/150,714.14 = 61,466.07/x
  3. Step 3: Cross multiply
    109,209.63x = 150,714.14 × 61,466.07
  4. Step 4: Simplify right side
    109,209.63x = 9,263,805,879.23
  5. Step 5: Solve for x
    x = 9,263,805,879.23/109,209.63
  6. Step 6: Final answer
    x = 84,825.91

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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.