Home / 56,820.68-78,410.94-35,611.64

Finding the Fourth Proportional to 56,820.68, 78,410.94 and 35,611.64

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Solution

The fourth proportional to 56,820.68, 78,410.94 and 35,611.64 is: 49,143.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,820.68 : 78,410.94 = 35,611.64 : x
  2. Step 2: Convert to fraction form
    56,820.68/78,410.94 = 35,611.64/x
  3. Step 3: Cross multiply
    56,820.68x = 78,410.94 × 35,611.64
  4. Step 4: Simplify right side
    56,820.68x = 2,792,342,167.34
  5. Step 5: Solve for x
    x = 2,792,342,167.34/56,820.68
  6. Step 6: Final answer
    x = 49,143.06

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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.