Home / 70,633.27-97,490.72-40,436.03

Finding the Fourth Proportional to 70,633.27, 97,490.72 and 40,436.03

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Solution

The fourth proportional to 70,633.27, 97,490.72 and 40,436.03 is: 55,811.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,633.27 : 97,490.72 = 40,436.03 : x
  2. Step 2: Convert to fraction form
    70,633.27/97,490.72 = 40,436.03/x
  3. Step 3: Cross multiply
    70,633.27x = 97,490.72 × 40,436.03
  4. Step 4: Simplify right side
    70,633.27x = 3,942,137,678.64
  5. Step 5: Solve for x
    x = 3,942,137,678.64/70,633.27
  6. Step 6: Final answer
    x = 55,811.34

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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.