Home / 83,739.45-115,559.13-46,012.89

Finding the Fourth Proportional to 83,739.45, 115,559.13 and 46,012.89

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Solution

The fourth proportional to 83,739.45, 115,559.13 and 46,012.89 is: 63,497.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,739.45 : 115,559.13 = 46,012.89 : x
  2. Step 2: Convert to fraction form
    83,739.45/115,559.13 = 46,012.89/x
  3. Step 3: Cross multiply
    83,739.45x = 115,559.13 × 46,012.89
  4. Step 4: Simplify right side
    83,739.45x = 5,317,209,537.19
  5. Step 5: Solve for x
    x = 5,317,209,537.19/83,739.45
  6. Step 6: Final answer
    x = 63,497.07

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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.