Home / 73,931.02-102,024.84-39,939.52

Finding the Fourth Proportional to 73,931.02, 102,024.84 and 39,939.52

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Solution

The fourth proportional to 73,931.02, 102,024.84 and 39,939.52 is: 55,116.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,931.02 : 102,024.84 = 39,939.52 : x
  2. Step 2: Convert to fraction form
    73,931.02/102,024.84 = 39,939.52/x
  3. Step 3: Cross multiply
    73,931.02x = 102,024.84 × 39,939.52
  4. Step 4: Simplify right side
    73,931.02x = 4,074,823,137.68
  5. Step 5: Solve for x
    x = 4,074,823,137.68/73,931.02
  6. Step 6: Final answer
    x = 55,116.56

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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.