Home / 72,557.68-100,062.66-48,372.52

Finding the Fourth Proportional to 72,557.68, 100,062.66 and 48,372.52

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Solution

The fourth proportional to 72,557.68, 100,062.66 and 48,372.52 is: 66,709.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,557.68 : 100,062.66 = 48,372.52 : x
  2. Step 2: Convert to fraction form
    72,557.68/100,062.66 = 48,372.52/x
  3. Step 3: Cross multiply
    72,557.68x = 100,062.66 × 48,372.52
  4. Step 4: Simplify right side
    72,557.68x = 4,840,283,022.10
  5. Step 5: Solve for x
    x = 4,840,283,022.10/72,557.68
  6. Step 6: Final answer
    x = 66,709.45

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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.