Home / 70,647.04-97,487.26-40,425.43

Finding the Fourth Proportional to 70,647.04, 97,487.26 and 40,425.43

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Solution

The fourth proportional to 70,647.04, 97,487.26 and 40,425.43 is: 55,783.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,647.04 : 97,487.26 = 40,425.43 : x
  2. Step 2: Convert to fraction form
    70,647.04/97,487.26 = 40,425.43/x
  3. Step 3: Cross multiply
    70,647.04x = 97,487.26 × 40,425.43
  4. Step 4: Simplify right side
    70,647.04x = 3,940,964,405.02
  5. Step 5: Solve for x
    x = 3,940,964,405.02/70,647.04
  6. Step 6: Final answer
    x = 55,783.86

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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.