Home / 72,849.74-100,529.88-40,583.58

Finding the Fourth Proportional to 72,849.74, 100,529.88 and 40,583.58

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Solution

The fourth proportional to 72,849.74, 100,529.88 and 40,583.58 is: 56,003.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,849.74 : 100,529.88 = 40,583.58 : x
  2. Step 2: Convert to fraction form
    72,849.74/100,529.88 = 40,583.58/x
  3. Step 3: Cross multiply
    72,849.74x = 100,529.88 × 40,583.58
  4. Step 4: Simplify right side
    72,849.74x = 4,079,862,427.37
  5. Step 5: Solve for x
    x = 4,079,862,427.37/72,849.74
  6. Step 6: Final answer
    x = 56,003.81

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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.