Home / 83,894.20-115,776.74-48,090.98

Finding the Fourth Proportional to 83,894.20, 115,776.74 and 48,090.98

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Solution

The fourth proportional to 83,894.20, 115,776.74 and 48,090.98 is: 66,367.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,894.20 : 115,776.74 = 48,090.98 : x
  2. Step 2: Convert to fraction form
    83,894.20/115,776.74 = 48,090.98/x
  3. Step 3: Cross multiply
    83,894.20x = 115,776.74 × 48,090.98
  4. Step 4: Simplify right side
    83,894.20x = 5,567,817,297.47
  5. Step 5: Solve for x
    x = 5,567,817,297.47/83,894.20
  6. Step 6: Final answer
    x = 66,367.13

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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.