Home / 101,613.31-152,695.73-54,261.34

Finding the Fourth Proportional to 101,613.31, 152,695.73 and 54,261.34

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Solution

The fourth proportional to 101,613.31, 152,695.73 and 54,261.34 is: 81,539.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,613.31 : 152,695.73 = 54,261.34 : x
  2. Step 2: Convert to fraction form
    101,613.31/152,695.73 = 54,261.34/x
  3. Step 3: Cross multiply
    101,613.31x = 152,695.73 × 54,261.34
  4. Step 4: Simplify right side
    101,613.31x = 8,285,473,887.29
  5. Step 5: Solve for x
    x = 8,285,473,887.29/101,613.31
  6. Step 6: Final answer
    x = 81,539.26

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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.