Home / 56,083.50-77,396.85-30,934.62

Finding the Fourth Proportional to 56,083.50, 77,396.85 and 30,934.62

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Solution

The fourth proportional to 56,083.50, 77,396.85 and 30,934.62 is: 42,690.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,083.50 : 77,396.85 = 30,934.62 : x
  2. Step 2: Convert to fraction form
    56,083.50/77,396.85 = 30,934.62/x
  3. Step 3: Cross multiply
    56,083.50x = 77,396.85 × 30,934.62
  4. Step 4: Simplify right side
    56,083.50x = 2,394,242,143.95
  5. Step 5: Solve for x
    x = 2,394,242,143.95/56,083.50
  6. Step 6: Final answer
    x = 42,690.67

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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.