Home / 73,036.87-109,558.02-20,444.98

Finding the Fourth Proportional to 73,036.87, 109,558.02 and 20,444.98

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Solution

The fourth proportional to 73,036.87, 109,558.02 and 20,444.98 is: 30,668.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,036.87 : 109,558.02 = 20,444.98 : x
  2. Step 2: Convert to fraction form
    73,036.87/109,558.02 = 20,444.98/x
  3. Step 3: Cross multiply
    73,036.87x = 109,558.02 × 20,444.98
  4. Step 4: Simplify right side
    73,036.87x = 2,239,911,527.74
  5. Step 5: Solve for x
    x = 2,239,911,527.74/73,036.87
  6. Step 6: Final answer
    x = 30,668.23

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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.