Home / 42,694.62-64,041.93-14,615.04

Finding the Fourth Proportional to 42,694.62, 64,041.93 and 14,615.04

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Solution

The fourth proportional to 42,694.62, 64,041.93 and 14,615.04 is: 21,922.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,694.62 : 64,041.93 = 14,615.04 : x
  2. Step 2: Convert to fraction form
    42,694.62/64,041.93 = 14,615.04/x
  3. Step 3: Cross multiply
    42,694.62x = 64,041.93 × 14,615.04
  4. Step 4: Simplify right side
    42,694.62x = 935,975,368.63
  5. Step 5: Solve for x
    x = 935,975,368.63/42,694.62
  6. Step 6: Final answer
    x = 21,922.56

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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.