Home / 70,384.32-97,103.34-40,171.32

Finding the Fourth Proportional to 70,384.32, 97,103.34 and 40,171.32

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Solution

The fourth proportional to 70,384.32, 97,103.34 and 40,171.32 is: 55,421.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,384.32 : 97,103.34 = 40,171.32 : x
  2. Step 2: Convert to fraction form
    70,384.32/97,103.34 = 40,171.32/x
  3. Step 3: Cross multiply
    70,384.32x = 97,103.34 × 40,171.32
  4. Step 4: Simplify right side
    70,384.32x = 3,900,769,344.21
  5. Step 5: Solve for x
    x = 3,900,769,344.21/70,384.32
  6. Step 6: Final answer
    x = 55,421.00

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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.