Home / 62,790.88-86,651.16-34,110.40

Finding the Fourth Proportional to 62,790.88, 86,651.16 and 34,110.40

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Solution

The fourth proportional to 62,790.88, 86,651.16 and 34,110.40 is: 47,072.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,790.88 : 86,651.16 = 34,110.40 : x
  2. Step 2: Convert to fraction form
    62,790.88/86,651.16 = 34,110.40/x
  3. Step 3: Cross multiply
    62,790.88x = 86,651.16 × 34,110.40
  4. Step 4: Simplify right side
    62,790.88x = 2,955,705,728.06
  5. Step 5: Solve for x
    x = 2,955,705,728.06/62,790.88
  6. Step 6: Final answer
    x = 47,072.21

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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.