Home / 67,778.96-93,418.13-45,077.34

Finding the Fourth Proportional to 67,778.96, 93,418.13 and 45,077.34

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Solution

The fourth proportional to 67,778.96, 93,418.13 and 45,077.34 is: 62,129.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,778.96 : 93,418.13 = 45,077.34 : x
  2. Step 2: Convert to fraction form
    67,778.96/93,418.13 = 45,077.34/x
  3. Step 3: Cross multiply
    67,778.96x = 93,418.13 × 45,077.34
  4. Step 4: Simplify right side
    67,778.96x = 4,211,040,582.79
  5. Step 5: Solve for x
    x = 4,211,040,582.79/67,778.96
  6. Step 6: Final answer
    x = 62,129.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.