Home / 63,408.05-87,503.13-35,113.74

Finding the Fourth Proportional to 63,408.05, 87,503.13 and 35,113.74

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Solution

The fourth proportional to 63,408.05, 87,503.13 and 35,113.74 is: 48,456.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,408.05 : 87,503.13 = 35,113.74 : x
  2. Step 2: Convert to fraction form
    63,408.05/87,503.13 = 35,113.74/x
  3. Step 3: Cross multiply
    63,408.05x = 87,503.13 × 35,113.74
  4. Step 4: Simplify right side
    63,408.05x = 3,072,562,156.01
  5. Step 5: Solve for x
    x = 3,072,562,156.01/63,408.05
  6. Step 6: Final answer
    x = 48,456.98

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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.