Home / 102,023.09-153,034.44-27,143.32

Finding the Fourth Proportional to 102,023.09, 153,034.44 and 27,143.32

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Solution

The fourth proportional to 102,023.09, 153,034.44 and 27,143.32 is: 40,714.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,023.09 : 153,034.44 = 27,143.32 : x
  2. Step 2: Convert to fraction form
    102,023.09/153,034.44 = 27,143.32/x
  3. Step 3: Cross multiply
    102,023.09x = 153,034.44 × 27,143.32
  4. Step 4: Simplify right side
    102,023.09x = 4,153,862,010.77
  5. Step 5: Solve for x
    x = 4,153,862,010.77/102,023.09
  6. Step 6: Final answer
    x = 40,714.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.