Home / 60,988.08-91,462.68-19,425.36

Finding the Fourth Proportional to 60,988.08, 91,462.68 and 19,425.36

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Solution

The fourth proportional to 60,988.08, 91,462.68 and 19,425.36 is: 29,131.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,988.08 : 91,462.68 = 19,425.36 : x
  2. Step 2: Convert to fraction form
    60,988.08/91,462.68 = 19,425.36/x
  3. Step 3: Cross multiply
    60,988.08x = 91,462.68 × 19,425.36
  4. Step 4: Simplify right side
    60,988.08x = 1,776,695,485.56
  5. Step 5: Solve for x
    x = 1,776,695,485.56/60,988.08
  6. Step 6: Final answer
    x = 29,131.85

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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.