Home / 56,181.45-77,518.98-35,771.70

Finding the Fourth Proportional to 56,181.45, 77,518.98 and 35,771.70

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Solution

The fourth proportional to 56,181.45, 77,518.98 and 35,771.70 is: 49,357.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,181.45 : 77,518.98 = 35,771.70 : x
  2. Step 2: Convert to fraction form
    56,181.45/77,518.98 = 35,771.70/x
  3. Step 3: Cross multiply
    56,181.45x = 77,518.98 × 35,771.70
  4. Step 4: Simplify right side
    56,181.45x = 2,772,985,696.87
  5. Step 5: Solve for x
    x = 2,772,985,696.87/56,181.45
  6. Step 6: Final answer
    x = 49,357.67

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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.