Home / 70,152.21-96,810.39-38,321.64

Finding the Fourth Proportional to 70,152.21, 96,810.39 and 38,321.64

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Solution

The fourth proportional to 70,152.21, 96,810.39 and 38,321.64 is: 52,884.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,152.21 : 96,810.39 = 38,321.64 : x
  2. Step 2: Convert to fraction form
    70,152.21/96,810.39 = 38,321.64/x
  3. Step 3: Cross multiply
    70,152.21x = 96,810.39 × 38,321.64
  4. Step 4: Simplify right side
    70,152.21x = 3,709,932,913.84
  5. Step 5: Solve for x
    x = 3,709,932,913.84/70,152.21
  6. Step 6: Final answer
    x = 52,884.05

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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.