Home / 70,633.06-97,490.45-40,435.84

Finding the Fourth Proportional to 70,633.06, 97,490.45 and 40,435.84

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Solution

The fourth proportional to 70,633.06, 97,490.45 and 40,435.84 is: 55,811.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,633.06 : 97,490.45 = 40,435.84 : x
  2. Step 2: Convert to fraction form
    70,633.06/97,490.45 = 40,435.84/x
  3. Step 3: Cross multiply
    70,633.06x = 97,490.45 × 40,435.84
  4. Step 4: Simplify right side
    70,633.06x = 3,942,108,237.73
  5. Step 5: Solve for x
    x = 3,942,108,237.73/70,633.06
  6. Step 6: Final answer
    x = 55,811.09

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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.