Home / 85,741.22-118,313.13-49,923.68

Finding the Fourth Proportional to 85,741.22, 118,313.13 and 49,923.68

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Solution

The fourth proportional to 85,741.22, 118,313.13 and 49,923.68 is: 68,889.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,741.22 : 118,313.13 = 49,923.68 : x
  2. Step 2: Convert to fraction form
    85,741.22/118,313.13 = 49,923.68/x
  3. Step 3: Cross multiply
    85,741.22x = 118,313.13 × 49,923.68
  4. Step 4: Simplify right side
    85,741.22x = 5,906,626,841.92
  5. Step 5: Solve for x
    x = 5,906,626,841.92/85,741.22
  6. Step 6: Final answer
    x = 68,889.00

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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.