Home / 77,187.68-115,790.02-24,585.06

Finding the Fourth Proportional to 77,187.68, 115,790.02 and 24,585.06

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Solution

The fourth proportional to 77,187.68, 115,790.02 and 24,585.06 is: 36,880.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,187.68 : 115,790.02 = 24,585.06 : x
  2. Step 2: Convert to fraction form
    77,187.68/115,790.02 = 24,585.06/x
  3. Step 3: Cross multiply
    77,187.68x = 115,790.02 × 24,585.06
  4. Step 4: Simplify right side
    77,187.68x = 2,846,704,527.64
  5. Step 5: Solve for x
    x = 2,846,704,527.64/77,187.68
  6. Step 6: Final answer
    x = 36,880.30

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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.