Home / 70,839.97-97,748.78-40,626.56

Finding the Fourth Proportional to 70,839.97, 97,748.78 and 40,626.56

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Solution

The fourth proportional to 70,839.97, 97,748.78 and 40,626.56 is: 56,058.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,839.97 : 97,748.78 = 40,626.56 : x
  2. Step 2: Convert to fraction form
    70,839.97/97,748.78 = 40,626.56/x
  3. Step 3: Cross multiply
    70,839.97x = 97,748.78 × 40,626.56
  4. Step 4: Simplify right side
    70,839.97x = 3,971,196,716.84
  5. Step 5: Solve for x
    x = 3,971,196,716.84/70,839.97
  6. Step 6: Final answer
    x = 56,058.70

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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.