Home / 70,839.24-97,754.36-40,623.10

Finding the Fourth Proportional to 70,839.24, 97,754.36 and 40,623.10

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Solution

The fourth proportional to 70,839.24, 97,754.36 and 40,623.10 is: 56,057.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,839.24 : 97,754.36 = 40,623.10 : x
  2. Step 2: Convert to fraction form
    70,839.24/97,754.36 = 40,623.10/x
  3. Step 3: Cross multiply
    70,839.24x = 97,754.36 × 40,623.10
  4. Step 4: Simplify right side
    70,839.24x = 3,971,085,141.72
  5. Step 5: Solve for x
    x = 3,971,085,141.72/70,839.24
  6. Step 6: Final answer
    x = 56,057.70

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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.