Home / 71,533.13-98,715.71-43,238.81

Finding the Fourth Proportional to 71,533.13, 98,715.71 and 43,238.81

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Solution

The fourth proportional to 71,533.13, 98,715.71 and 43,238.81 is: 59,669.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,533.13 : 98,715.71 = 43,238.81 : x
  2. Step 2: Convert to fraction form
    71,533.13/98,715.71 = 43,238.81/x
  3. Step 3: Cross multiply
    71,533.13x = 98,715.71 × 43,238.81
  4. Step 4: Simplify right side
    71,533.13x = 4,268,350,183.59
  5. Step 5: Solve for x
    x = 4,268,350,183.59/71,533.13
  6. Step 6: Final answer
    x = 59,669.56

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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.