Home / 117,904.68-162,683.22-70,148.70

Finding the Fourth Proportional to 117,904.68, 162,683.22 and 70,148.70

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Solution

The fourth proportional to 117,904.68, 162,683.22 and 70,148.70 is: 96,790.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,904.68 : 162,683.22 = 70,148.70 : x
  2. Step 2: Convert to fraction form
    117,904.68/162,683.22 = 70,148.70/x
  3. Step 3: Cross multiply
    117,904.68x = 162,683.22 × 70,148.70
  4. Step 4: Simplify right side
    117,904.68x = 11,412,016,394.81
  5. Step 5: Solve for x
    x = 11,412,016,394.81/117,904.68
  6. Step 6: Final answer
    x = 96,790.19

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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.