Home / 63,431.76-87,535.68-35,137.32

Finding the Fourth Proportional to 63,431.76, 87,535.68 and 35,137.32

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Solution

The fourth proportional to 63,431.76, 87,535.68 and 35,137.32 is: 48,489.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,431.76 : 87,535.68 = 35,137.32 : x
  2. Step 2: Convert to fraction form
    63,431.76/87,535.68 = 35,137.32/x
  3. Step 3: Cross multiply
    63,431.76x = 87,535.68 × 35,137.32
  4. Step 4: Simplify right side
    63,431.76x = 3,075,769,199.58
  5. Step 5: Solve for x
    x = 3,075,769,199.58/63,431.76
  6. Step 6: Final answer
    x = 48,489.42

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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.