Home / 70,981.96-97,954.90-40,769.24

Finding the Fourth Proportional to 70,981.96, 97,954.90 and 40,769.24

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Solution

The fourth proportional to 70,981.96, 97,954.90 and 40,769.24 is: 56,261.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,981.96 : 97,954.90 = 40,769.24 : x
  2. Step 2: Convert to fraction form
    70,981.96/97,954.90 = 40,769.24/x
  3. Step 3: Cross multiply
    70,981.96x = 97,954.90 × 40,769.24
  4. Step 4: Simplify right side
    70,981.96x = 3,993,546,827.28
  5. Step 5: Solve for x
    x = 3,993,546,827.28/70,981.96
  6. Step 6: Final answer
    x = 56,261.43

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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.