Home / 63,438.78-87,525.61-36,577.65

Finding the Fourth Proportional to 63,438.78, 87,525.61 and 36,577.65

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Solution

The fourth proportional to 63,438.78, 87,525.61 and 36,577.65 is: 50,465.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,438.78 : 87,525.61 = 36,577.65 : x
  2. Step 2: Convert to fraction form
    63,438.78/87,525.61 = 36,577.65/x
  3. Step 3: Cross multiply
    63,438.78x = 87,525.61 × 36,577.65
  4. Step 4: Simplify right side
    63,438.78x = 3,201,481,128.62
  5. Step 5: Solve for x
    x = 3,201,481,128.62/63,438.78
  6. Step 6: Final answer
    x = 50,465.68

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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.