Home / 42,543.45-63,809.67-14,462.37

Finding the Fourth Proportional to 42,543.45, 63,809.67 and 14,462.37

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Solution

The fourth proportional to 42,543.45, 63,809.67 and 14,462.37 is: 21,691.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,543.45 : 63,809.67 = 14,462.37 : x
  2. Step 2: Convert to fraction form
    42,543.45/63,809.67 = 14,462.37/x
  3. Step 3: Cross multiply
    42,543.45x = 63,809.67 × 14,462.37
  4. Step 4: Simplify right side
    42,543.45x = 922,839,057.12
  5. Step 5: Solve for x
    x = 922,839,057.12/42,543.45
  6. Step 6: Final answer
    x = 21,691.68

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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.