Home / 69,720.59-104,579.96-17,130.53

Finding the Fourth Proportional to 69,720.59, 104,579.96 and 17,130.53

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Solution

The fourth proportional to 69,720.59, 104,579.96 and 17,130.53 is: 25,695.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,720.59 : 104,579.96 = 17,130.53 : x
  2. Step 2: Convert to fraction form
    69,720.59/104,579.96 = 17,130.53/x
  3. Step 3: Cross multiply
    69,720.59x = 104,579.96 × 17,130.53
  4. Step 4: Simplify right side
    69,720.59x = 1,791,509,533.63
  5. Step 5: Solve for x
    x = 1,791,509,533.63/69,720.59
  6. Step 6: Final answer
    x = 25,695.56

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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.