Home / 65,830.10-90,843.28-37,544.90

Finding the Fourth Proportional to 65,830.10, 90,843.28 and 37,544.90

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Solution

The fourth proportional to 65,830.10, 90,843.28 and 37,544.90 is: 51,810.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,830.10 : 90,843.28 = 37,544.90 : x
  2. Step 2: Convert to fraction form
    65,830.10/90,843.28 = 37,544.90/x
  3. Step 3: Cross multiply
    65,830.10x = 90,843.28 × 37,544.90
  4. Step 4: Simplify right side
    65,830.10x = 3,410,701,409.06
  5. Step 5: Solve for x
    x = 3,410,701,409.06/65,830.10
  6. Step 6: Final answer
    x = 51,810.67

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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.