Home / 69,749.82-96,255.36-37,918.74

Finding the Fourth Proportional to 69,749.82, 96,255.36 and 37,918.74

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Solution

The fourth proportional to 69,749.82, 96,255.36 and 37,918.74 is: 52,328.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,749.82 : 96,255.36 = 37,918.74 : x
  2. Step 2: Convert to fraction form
    69,749.82/96,255.36 = 37,918.74/x
  3. Step 3: Cross multiply
    69,749.82x = 96,255.36 × 37,918.74
  4. Step 4: Simplify right side
    69,749.82x = 3,649,881,969.45
  5. Step 5: Solve for x
    x = 3,649,881,969.45/69,749.82
  6. Step 6: Final answer
    x = 52,328.19

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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.