Home / 51,471.05-77,190.17-16,402.50

Finding the Fourth Proportional to 51,471.05, 77,190.17 and 16,402.50

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Solution

The fourth proportional to 51,471.05, 77,190.17 and 16,402.50 is: 24,598.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,471.05 : 77,190.17 = 16,402.50 : x
  2. Step 2: Convert to fraction form
    51,471.05/77,190.17 = 16,402.50/x
  3. Step 3: Cross multiply
    51,471.05x = 77,190.17 × 16,402.50
  4. Step 4: Simplify right side
    51,471.05x = 1,266,111,681.41
  5. Step 5: Solve for x
    x = 1,266,111,681.41/51,471.05
  6. Step 6: Final answer
    x = 24,598.52

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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.