Home / 69,720.56-104,593.40-25,409.51

Finding the Fourth Proportional to 69,720.56, 104,593.40 and 25,409.51

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Solution

The fourth proportional to 69,720.56, 104,593.40 and 25,409.51 is: 38,118.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,720.56 : 104,593.40 = 25,409.51 : x
  2. Step 2: Convert to fraction form
    69,720.56/104,593.40 = 25,409.51/x
  3. Step 3: Cross multiply
    69,720.56x = 104,593.40 × 25,409.51
  4. Step 4: Simplify right side
    69,720.56x = 2,657,666,916.19
  5. Step 5: Solve for x
    x = 2,657,666,916.19/69,720.56
  6. Step 6: Final answer
    x = 38,118.84

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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.