Home / 106,689.86-160,058.60-40,130.54

Finding the Fourth Proportional to 106,689.86, 160,058.60 and 40,130.54

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Solution

The fourth proportional to 106,689.86, 160,058.60 and 40,130.54 is: 60,204.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,689.86 : 160,058.60 = 40,130.54 : x
  2. Step 2: Convert to fraction form
    106,689.86/160,058.60 = 40,130.54/x
  3. Step 3: Cross multiply
    106,689.86x = 160,058.60 × 40,130.54
  4. Step 4: Simplify right side
    106,689.86x = 6,423,237,799.41
  5. Step 5: Solve for x
    x = 6,423,237,799.41/106,689.86
  6. Step 6: Final answer
    x = 60,204.76

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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.