Home / 85,609.10-118,188.06-51,626.19

Finding the Fourth Proportional to 85,609.10, 118,188.06 and 51,626.19

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Solution

The fourth proportional to 85,609.10, 118,188.06 and 51,626.19 is: 71,272.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,609.10 : 118,188.06 = 51,626.19 : x
  2. Step 2: Convert to fraction form
    85,609.10/118,188.06 = 51,626.19/x
  3. Step 3: Cross multiply
    85,609.10x = 118,188.06 × 51,626.19
  4. Step 4: Simplify right side
    85,609.10x = 6,101,599,878.09
  5. Step 5: Solve for x
    x = 6,101,599,878.09/85,609.10
  6. Step 6: Final answer
    x = 71,272.80

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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.