Home / 63,033.15-87,000.57-39,177.84

Finding the Fourth Proportional to 63,033.15, 87,000.57 and 39,177.84

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Solution

The fourth proportional to 63,033.15, 87,000.57 and 39,177.84 is: 54,074.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,033.15 : 87,000.57 = 39,177.84 : x
  2. Step 2: Convert to fraction form
    63,033.15/87,000.57 = 39,177.84/x
  3. Step 3: Cross multiply
    63,033.15x = 87,000.57 × 39,177.84
  4. Step 4: Simplify right side
    63,033.15x = 3,408,494,411.37
  5. Step 5: Solve for x
    x = 3,408,494,411.37/63,033.15
  6. Step 6: Final answer
    x = 54,074.63

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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.