Home / 64,137.85-88,538.33-49,031.15

Finding the Fourth Proportional to 64,137.85, 88,538.33 and 49,031.15

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Solution

The fourth proportional to 64,137.85, 88,538.33 and 49,031.15 is: 67,684.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,137.85 : 88,538.33 = 49,031.15 : x
  2. Step 2: Convert to fraction form
    64,137.85/88,538.33 = 49,031.15/x
  3. Step 3: Cross multiply
    64,137.85x = 88,538.33 × 49,031.15
  4. Step 4: Simplify right side
    64,137.85x = 4,341,135,818.87
  5. Step 5: Solve for x
    x = 4,341,135,818.87/64,137.85
  6. Step 6: Final answer
    x = 67,684.46

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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.