Home / 85,626.72-118,212.38-51,643.77

Finding the Fourth Proportional to 85,626.72, 118,212.38 and 51,643.77

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Solution

The fourth proportional to 85,626.72, 118,212.38 and 51,643.77 is: 71,297.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,626.72 : 118,212.38 = 51,643.77 : x
  2. Step 2: Convert to fraction form
    85,626.72/118,212.38 = 51,643.77/x
  3. Step 3: Cross multiply
    85,626.72x = 118,212.38 × 51,643.77
  4. Step 4: Simplify right side
    85,626.72x = 6,104,932,705.65
  5. Step 5: Solve for x
    x = 6,104,932,705.65/85,626.72
  6. Step 6: Final answer
    x = 71,297.05

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1.5x scale

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.