Home / 117,683.75-162,402.92-66,706.12

Finding the Fourth Proportional to 117,683.75, 162,402.92 and 66,706.12

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Solution

The fourth proportional to 117,683.75, 162,402.92 and 66,706.12 is: 92,054.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,683.75 : 162,402.92 = 66,706.12 : x
  2. Step 2: Convert to fraction form
    117,683.75/162,402.92 = 66,706.12/x
  3. Step 3: Cross multiply
    117,683.75x = 162,402.92 × 66,706.12
  4. Step 4: Simplify right side
    117,683.75x = 10,833,268,669.87
  5. Step 5: Solve for x
    x = 10,833,268,669.87/117,683.75
  6. Step 6: Final answer
    x = 92,054.07

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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.