Home / 63,415.98-87,516.81-35,121.65

Finding the Fourth Proportional to 63,415.98, 87,516.81 and 35,121.65

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Solution

The fourth proportional to 63,415.98, 87,516.81 and 35,121.65 is: 48,469.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,415.98 : 87,516.81 = 35,121.65 : x
  2. Step 2: Convert to fraction form
    63,415.98/87,516.81 = 35,121.65/x
  3. Step 3: Cross multiply
    63,415.98x = 87,516.81 × 35,121.65
  4. Step 4: Simplify right side
    63,415.98x = 3,073,734,332.35
  5. Step 5: Solve for x
    x = 3,073,734,332.35/63,415.98
  6. Step 6: Final answer
    x = 48,469.40

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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.