Home / 65,303.15-90,112.05-36,623.98

Finding the Fourth Proportional to 65,303.15, 90,112.05 and 36,623.98

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Solution

The fourth proportional to 65,303.15, 90,112.05 and 36,623.98 is: 50,537.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,303.15 : 90,112.05 = 36,623.98 : x
  2. Step 2: Convert to fraction form
    65,303.15/90,112.05 = 36,623.98/x
  3. Step 3: Cross multiply
    65,303.15x = 90,112.05 × 36,623.98
  4. Step 4: Simplify right side
    65,303.15x = 3,300,261,916.96
  5. Step 5: Solve for x
    x = 3,300,261,916.96/65,303.15
  6. Step 6: Final answer
    x = 50,537.56

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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.