Home / 70,823.40-97,736.94-38,993.04

Finding the Fourth Proportional to 70,823.40, 97,736.94 and 38,993.04

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Solution

The fourth proportional to 70,823.40, 97,736.94 and 38,993.04 is: 53,810.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,823.40 : 97,736.94 = 38,993.04 : x
  2. Step 2: Convert to fraction form
    70,823.40/97,736.94 = 38,993.04/x
  3. Step 3: Cross multiply
    70,823.40x = 97,736.94 × 38,993.04
  4. Step 4: Simplify right side
    70,823.40x = 3,811,060,410.90
  5. Step 5: Solve for x
    x = 3,811,060,410.90/70,823.40
  6. Step 6: Final answer
    x = 53,810.75

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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.