Home / 62,780.09-86,637.11-34,485.77

Finding the Fourth Proportional to 62,780.09, 86,637.11 and 34,485.77

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Solution

The fourth proportional to 62,780.09, 86,637.11 and 34,485.77 is: 47,590.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,780.09 : 86,637.11 = 34,485.77 : x
  2. Step 2: Convert to fraction form
    62,780.09/86,637.11 = 34,485.77/x
  3. Step 3: Cross multiply
    62,780.09x = 86,637.11 × 34,485.77
  4. Step 4: Simplify right side
    62,780.09x = 2,987,746,843.31
  5. Step 5: Solve for x
    x = 2,987,746,843.31/62,780.09
  6. Step 6: Final answer
    x = 47,590.68

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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.