Home / 63,431.44-87,538.08-35,137.12

Finding the Fourth Proportional to 63,431.44, 87,538.08 and 35,137.12

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Solution

The fourth proportional to 63,431.44, 87,538.08 and 35,137.12 is: 48,490.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,431.44 : 87,538.08 = 35,137.12 : x
  2. Step 2: Convert to fraction form
    63,431.44/87,538.08 = 35,137.12/x
  3. Step 3: Cross multiply
    63,431.44x = 87,538.08 × 35,137.12
  4. Step 4: Simplify right side
    63,431.44x = 3,075,836,021.53
  5. Step 5: Solve for x
    x = 3,075,836,021.53/63,431.44
  6. Step 6: Final answer
    x = 48,490.72

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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.