Home / 70,268.06-105,350.14-36,485.58

Finding the Fourth Proportional to 70,268.06, 105,350.14 and 36,485.58

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Solution

The fourth proportional to 70,268.06, 105,350.14 and 36,485.58 is: 54,701.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,268.06 : 105,350.14 = 36,485.58 : x
  2. Step 2: Convert to fraction form
    70,268.06/105,350.14 = 36,485.58/x
  3. Step 3: Cross multiply
    70,268.06x = 105,350.14 × 36,485.58
  4. Step 4: Simplify right side
    70,268.06x = 3,843,760,960.98
  5. Step 5: Solve for x
    x = 3,843,760,960.98/70,268.06
  6. Step 6: Final answer
    x = 54,701.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.