Home / 92,819.72-128,091.34-50,378.26

Finding the Fourth Proportional to 92,819.72, 128,091.34 and 50,378.26

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Solution

The fourth proportional to 92,819.72, 128,091.34 and 50,378.26 is: 69,522.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,819.72 : 128,091.34 = 50,378.26 : x
  2. Step 2: Convert to fraction form
    92,819.72/128,091.34 = 50,378.26/x
  3. Step 3: Cross multiply
    92,819.72x = 128,091.34 × 50,378.26
  4. Step 4: Simplify right side
    92,819.72x = 6,453,018,189.81
  5. Step 5: Solve for x
    x = 6,453,018,189.81/92,819.72
  6. Step 6: Final answer
    x = 69,522.06

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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.