Home / 117,683.25-162,402.23-66,705.62

Finding the Fourth Proportional to 117,683.25, 162,402.23 and 66,705.62

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Solution

The fourth proportional to 117,683.25, 162,402.23 and 66,705.62 is: 92,053.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,683.25 : 162,402.23 = 66,705.62 : x
  2. Step 2: Convert to fraction form
    117,683.25/162,402.23 = 66,705.62/x
  3. Step 3: Cross multiply
    117,683.25x = 162,402.23 × 66,705.62
  4. Step 4: Simplify right side
    117,683.25x = 10,833,141,441.53
  5. Step 5: Solve for x
    x = 10,833,141,441.53/117,683.25
  6. Step 6: Final answer
    x = 92,053.38

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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.