Home / 82,561.77-123,811.21-35,146.93

Finding the Fourth Proportional to 82,561.77, 123,811.21 and 35,146.93

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Solution

The fourth proportional to 82,561.77, 123,811.21 and 35,146.93 is: 52,707.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,561.77 : 123,811.21 = 35,146.93 : x
  2. Step 2: Convert to fraction form
    82,561.77/123,811.21 = 35,146.93/x
  3. Step 3: Cross multiply
    82,561.77x = 123,811.21 × 35,146.93
  4. Step 4: Simplify right side
    82,561.77x = 4,351,583,931.09
  5. Step 5: Solve for x
    x = 4,351,583,931.09/82,561.77
  6. Step 6: Final answer
    x = 52,707.01

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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.