Home / 63,533.22-87,731.58-39,700.62

Finding the Fourth Proportional to 63,533.22, 87,731.58 and 39,700.62

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Solution

The fourth proportional to 63,533.22, 87,731.58 and 39,700.62 is: 54,821.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,533.22 : 87,731.58 = 39,700.62 : x
  2. Step 2: Convert to fraction form
    63,533.22/87,731.58 = 39,700.62/x
  3. Step 3: Cross multiply
    63,533.22x = 87,731.58 × 39,700.62
  4. Step 4: Simplify right side
    63,533.22x = 3,482,998,119.58
  5. Step 5: Solve for x
    x = 3,482,998,119.58/63,533.22
  6. Step 6: Final answer
    x = 54,821.68

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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.