Home / 51,412.56-77,127.63-17,676.96

Finding the Fourth Proportional to 51,412.56, 77,127.63 and 17,676.96

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Solution

The fourth proportional to 51,412.56, 77,127.63 and 17,676.96 is: 26,518.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,412.56 : 77,127.63 = 17,676.96 : x
  2. Step 2: Convert to fraction form
    51,412.56/77,127.63 = 17,676.96/x
  3. Step 3: Cross multiply
    51,412.56x = 77,127.63 × 17,676.96
  4. Step 4: Simplify right side
    51,412.56x = 1,363,382,030.40
  5. Step 5: Solve for x
    x = 1,363,382,030.40/51,412.56
  6. Step 6: Final answer
    x = 26,518.46

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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.