Home / 70,623.46-97,436.24-40,397.77

Finding the Fourth Proportional to 70,623.46, 97,436.24 and 40,397.77

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Solution

The fourth proportional to 70,623.46, 97,436.24 and 40,397.77 is: 55,735.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,623.46 : 97,436.24 = 40,397.77 : x
  2. Step 2: Convert to fraction form
    70,623.46/97,436.24 = 40,397.77/x
  3. Step 3: Cross multiply
    70,623.46x = 97,436.24 × 40,397.77
  4. Step 4: Simplify right side
    70,623.46x = 3,936,206,611.20
  5. Step 5: Solve for x
    x = 3,936,206,611.20/70,623.46
  6. Step 6: Final answer
    x = 55,735.11

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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.