Home / 101,845.89-140,548.26-61,586.57

Finding the Fourth Proportional to 101,845.89, 140,548.26 and 61,586.57

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Solution

The fourth proportional to 101,845.89, 140,548.26 and 61,586.57 is: 84,990.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,845.89 : 140,548.26 = 61,586.57 : x
  2. Step 2: Convert to fraction form
    101,845.89/140,548.26 = 61,586.57/x
  3. Step 3: Cross multiply
    101,845.89x = 140,548.26 × 61,586.57
  4. Step 4: Simplify right side
    101,845.89x = 8,655,884,550.13
  5. Step 5: Solve for x
    x = 8,655,884,550.13/101,845.89
  6. Step 6: Final answer
    x = 84,990.02

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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.