Home / 73,660.86-101,562.75-57,312.81

Finding the Fourth Proportional to 73,660.86, 101,562.75 and 57,312.81

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Solution

The fourth proportional to 73,660.86, 101,562.75 and 57,312.81 is: 79,022.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,660.86 : 101,562.75 = 57,312.81 : x
  2. Step 2: Convert to fraction form
    73,660.86/101,562.75 = 57,312.81/x
  3. Step 3: Cross multiply
    73,660.86x = 101,562.75 × 57,312.81
  4. Step 4: Simplify right side
    73,660.86x = 5,820,846,593.83
  5. Step 5: Solve for x
    x = 5,820,846,593.83/73,660.86
  6. Step 6: Final answer
    x = 79,022.25

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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.