Home / 65,693.16-90,622.14-41,485.35

Finding the Fourth Proportional to 65,693.16, 90,622.14 and 41,485.35

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Solution

The fourth proportional to 65,693.16, 90,622.14 and 41,485.35 is: 57,228.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,693.16 : 90,622.14 = 41,485.35 : x
  2. Step 2: Convert to fraction form
    65,693.16/90,622.14 = 41,485.35/x
  3. Step 3: Cross multiply
    65,693.16x = 90,622.14 × 41,485.35
  4. Step 4: Simplify right side
    65,693.16x = 3,759,491,195.65
  5. Step 5: Solve for x
    x = 3,759,491,195.65/65,693.16
  6. Step 6: Final answer
    x = 57,228.05

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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.