Home / 63,420.64-87,513.42-35,119.24

Finding the Fourth Proportional to 63,420.64, 87,513.42 and 35,119.24

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Solution

The fourth proportional to 63,420.64, 87,513.42 and 35,119.24 is: 48,460.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,420.64 : 87,513.42 = 35,119.24 : x
  2. Step 2: Convert to fraction form
    63,420.64/87,513.42 = 35,119.24/x
  3. Step 3: Cross multiply
    63,420.64x = 87,513.42 × 35,119.24
  4. Step 4: Simplify right side
    63,420.64x = 3,073,404,800.20
  5. Step 5: Solve for x
    x = 3,073,404,800.20/63,420.64
  6. Step 6: Final answer
    x = 48,460.64

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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.