Home / 83,501.60-115,219.67-47,684.03

Finding the Fourth Proportional to 83,501.60, 115,219.67 and 47,684.03

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Solution

The fourth proportional to 83,501.60, 115,219.67 and 47,684.03 is: 65,796.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,501.60 : 115,219.67 = 47,684.03 : x
  2. Step 2: Convert to fraction form
    83,501.60/115,219.67 = 47,684.03/x
  3. Step 3: Cross multiply
    83,501.60x = 115,219.67 × 47,684.03
  4. Step 4: Simplify right side
    83,501.60x = 5,494,137,386.35
  5. Step 5: Solve for x
    x = 5,494,137,386.35/83,501.60
  6. Step 6: Final answer
    x = 65,796.80

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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.