Home / 42,803.30-64,188.99-14,715.41

Finding the Fourth Proportional to 42,803.30, 64,188.99 and 14,715.41

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Solution

The fourth proportional to 42,803.30, 64,188.99 and 14,715.41 is: 22,067.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,803.30 : 64,188.99 = 14,715.41 : x
  2. Step 2: Convert to fraction form
    42,803.30/64,188.99 = 14,715.41/x
  3. Step 3: Cross multiply
    42,803.30x = 64,188.99 × 14,715.41
  4. Step 4: Simplify right side
    42,803.30x = 944,566,984.39
  5. Step 5: Solve for x
    x = 944,566,984.39/42,803.30
  6. Step 6: Final answer
    x = 22,067.62

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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.