Home / 45,370.05-68,058.51-12,089.98

Finding the Fourth Proportional to 45,370.05, 68,058.51 and 12,089.98

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Solution

The fourth proportional to 45,370.05, 68,058.51 and 12,089.98 is: 18,135.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,370.05 : 68,058.51 = 12,089.98 : x
  2. Step 2: Convert to fraction form
    45,370.05/68,058.51 = 12,089.98/x
  3. Step 3: Cross multiply
    45,370.05x = 68,058.51 × 12,089.98
  4. Step 4: Simplify right side
    45,370.05x = 822,826,024.73
  5. Step 5: Solve for x
    x = 822,826,024.73/45,370.05
  6. Step 6: Final answer
    x = 18,135.89

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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.