Home / 70,399.41-105,598.16-17,091.81

Finding the Fourth Proportional to 70,399.41, 105,598.16 and 17,091.81

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Solution

The fourth proportional to 70,399.41, 105,598.16 and 17,091.81 is: 25,637.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,399.41 : 105,598.16 = 17,091.81 : x
  2. Step 2: Convert to fraction form
    70,399.41/105,598.16 = 17,091.81/x
  3. Step 3: Cross multiply
    70,399.41x = 105,598.16 × 17,091.81
  4. Step 4: Simplify right side
    70,399.41x = 1,804,863,687.07
  5. Step 5: Solve for x
    x = 1,804,863,687.07/70,399.41
  6. Step 6: Final answer
    x = 25,637.48

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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.