Home / 104,837.16-144,670.26-57,090.22

Finding the Fourth Proportional to 104,837.16, 144,670.26 and 57,090.22

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Solution

The fourth proportional to 104,837.16, 144,670.26 and 57,090.22 is: 78,781.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,837.16 : 144,670.26 = 57,090.22 : x
  2. Step 2: Convert to fraction form
    104,837.16/144,670.26 = 57,090.22/x
  3. Step 3: Cross multiply
    104,837.16x = 144,670.26 × 57,090.22
  4. Step 4: Simplify right side
    104,837.16x = 8,259,256,970.86
  5. Step 5: Solve for x
    x = 8,259,256,970.86/104,837.16
  6. Step 6: Final answer
    x = 78,781.77

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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.