Home / 43,106.68-64,661.10-11,941.84

Finding the Fourth Proportional to 43,106.68, 64,661.10 and 11,941.84

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Solution

The fourth proportional to 43,106.68, 64,661.10 and 11,941.84 is: 17,913.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,106.68 : 64,661.10 = 11,941.84 : x
  2. Step 2: Convert to fraction form
    43,106.68/64,661.10 = 11,941.84/x
  3. Step 3: Cross multiply
    43,106.68x = 64,661.10 × 11,941.84
  4. Step 4: Simplify right side
    43,106.68x = 772,172,510.42
  5. Step 5: Solve for x
    x = 772,172,510.42/43,106.68
  6. Step 6: Final answer
    x = 17,913.06

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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.