Home / 62,878.16-94,297.22-20,750.40

Finding the Fourth Proportional to 62,878.16, 94,297.22 and 20,750.40

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Solution

The fourth proportional to 62,878.16, 94,297.22 and 20,750.40 is: 31,118.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,878.16 : 94,297.22 = 20,750.40 : x
  2. Step 2: Convert to fraction form
    62,878.16/94,297.22 = 20,750.40/x
  3. Step 3: Cross multiply
    62,878.16x = 94,297.22 × 20,750.40
  4. Step 4: Simplify right side
    62,878.16x = 1,956,705,033.89
  5. Step 5: Solve for x
    x = 1,956,705,033.89/62,878.16
  6. Step 6: Final answer
    x = 31,118.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.