Home / 42,722.07-64,100.13-16,419.75

Finding the Fourth Proportional to 42,722.07, 64,100.13 and 16,419.75

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Solution

The fourth proportional to 42,722.07, 64,100.13 and 16,419.75 is: 24,636.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,722.07 : 64,100.13 = 16,419.75 : x
  2. Step 2: Convert to fraction form
    42,722.07/64,100.13 = 16,419.75/x
  3. Step 3: Cross multiply
    42,722.07x = 64,100.13 × 16,419.75
  4. Step 4: Simplify right side
    42,722.07x = 1,052,507,807.62
  5. Step 5: Solve for x
    x = 1,052,507,807.62/42,722.07
  6. Step 6: Final answer
    x = 24,636.16

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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.