Home / 62,698.10-86,522.70-34,403.78

Finding the Fourth Proportional to 62,698.10, 86,522.70 and 34,403.78

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Solution

The fourth proportional to 62,698.10, 86,522.70 and 34,403.78 is: 47,476.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,698.10 : 86,522.70 = 34,403.78 : x
  2. Step 2: Convert to fraction form
    62,698.10/86,522.70 = 34,403.78/x
  3. Step 3: Cross multiply
    62,698.10x = 86,522.70 × 34,403.78
  4. Step 4: Simplify right side
    62,698.10x = 2,976,707,935.81
  5. Step 5: Solve for x
    x = 2,976,707,935.81/62,698.10
  6. Step 6: Final answer
    x = 47,476.84

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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.