Home / 76,165.11-105,071.58-50,683.32

Finding the Fourth Proportional to 76,165.11, 105,071.58 and 50,683.32

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Solution

The fourth proportional to 76,165.11, 105,071.58 and 50,683.32 is: 69,918.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,165.11 : 105,071.58 = 50,683.32 : x
  2. Step 2: Convert to fraction form
    76,165.11/105,071.58 = 50,683.32/x
  3. Step 3: Cross multiply
    76,165.11x = 105,071.58 × 50,683.32
  4. Step 4: Simplify right side
    76,165.11x = 5,325,376,512.05
  5. Step 5: Solve for x
    x = 5,325,376,512.05/76,165.11
  6. Step 6: Final answer
    x = 69,918.84

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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.