Home / 43,240.93-64,868.07-18,281.06

Finding the Fourth Proportional to 43,240.93, 64,868.07 and 18,281.06

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Solution

The fourth proportional to 43,240.93, 64,868.07 and 18,281.06 is: 27,424.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,240.93 : 64,868.07 = 18,281.06 : x
  2. Step 2: Convert to fraction form
    43,240.93/64,868.07 = 18,281.06/x
  3. Step 3: Cross multiply
    43,240.93x = 64,868.07 × 18,281.06
  4. Step 4: Simplify right side
    43,240.93x = 1,185,857,079.75
  5. Step 5: Solve for x
    x = 1,185,857,079.75/43,240.93
  6. Step 6: Final answer
    x = 27,424.41

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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.