Home / 70,981.42-97,954.17-40,768.70

Finding the Fourth Proportional to 70,981.42, 97,954.17 and 40,768.70

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Solution

The fourth proportional to 70,981.42, 97,954.17 and 40,768.70 is: 56,260.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,981.42 : 97,954.17 = 40,768.70 : x
  2. Step 2: Convert to fraction form
    70,981.42/97,954.17 = 40,768.70/x
  3. Step 3: Cross multiply
    70,981.42x = 97,954.17 × 40,768.70
  4. Step 4: Simplify right side
    70,981.42x = 3,993,463,476.86
  5. Step 5: Solve for x
    x = 3,993,463,476.86/70,981.42
  6. Step 6: Final answer
    x = 56,260.69

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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.