Home / 56,201.03-77,556.50-30,706.85

Finding the Fourth Proportional to 56,201.03, 77,556.50 and 30,706.85

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Solution

The fourth proportional to 56,201.03, 77,556.50 and 30,706.85 is: 42,374.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,201.03 : 77,556.50 = 30,706.85 : x
  2. Step 2: Convert to fraction form
    56,201.03/77,556.50 = 30,706.85/x
  3. Step 3: Cross multiply
    56,201.03x = 77,556.50 × 30,706.85
  4. Step 4: Simplify right side
    56,201.03x = 2,381,515,424.24
  5. Step 5: Solve for x
    x = 2,381,515,424.24/56,201.03
  6. Step 6: Final answer
    x = 42,374.95

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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.