Home / 83,802.12-115,647.36-46,078.80

Finding the Fourth Proportional to 83,802.12, 115,647.36 and 46,078.80

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Solution

The fourth proportional to 83,802.12, 115,647.36 and 46,078.80 is: 63,588.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,802.12 : 115,647.36 = 46,078.80 : x
  2. Step 2: Convert to fraction form
    83,802.12/115,647.36 = 46,078.80/x
  3. Step 3: Cross multiply
    83,802.12x = 115,647.36 × 46,078.80
  4. Step 4: Simplify right side
    83,802.12x = 5,328,891,571.97
  5. Step 5: Solve for x
    x = 5,328,891,571.97/83,802.12
  6. Step 6: Final answer
    x = 63,588.98

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1.5x scale

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.