Home / 42,758.68-64,141.26-11,596.36

Finding the Fourth Proportional to 42,758.68, 64,141.26 and 11,596.36

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Solution

The fourth proportional to 42,758.68, 64,141.26 and 11,596.36 is: 17,395.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,758.68 : 64,141.26 = 11,596.36 : x
  2. Step 2: Convert to fraction form
    42,758.68/64,141.26 = 11,596.36/x
  3. Step 3: Cross multiply
    42,758.68x = 64,141.26 × 11,596.36
  4. Step 4: Simplify right side
    42,758.68x = 743,805,141.81
  5. Step 5: Solve for x
    x = 743,805,141.81/42,758.68
  6. Step 6: Final answer
    x = 17,395.42

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1.5x scale

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.