Home / 64,119.26-88,489.16-35,438.30

Finding the Fourth Proportional to 64,119.26, 88,489.16 and 35,438.30

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Solution

The fourth proportional to 64,119.26, 88,489.16 and 35,438.30 is: 48,907.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,119.26 : 88,489.16 = 35,438.30 : x
  2. Step 2: Convert to fraction form
    64,119.26/88,489.16 = 35,438.30/x
  3. Step 3: Cross multiply
    64,119.26x = 88,489.16 × 35,438.30
  4. Step 4: Simplify right side
    64,119.26x = 3,135,905,808.12
  5. Step 5: Solve for x
    x = 3,135,905,808.12/64,119.26
  6. Step 6: Final answer
    x = 48,907.39

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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.