Home / 85,298.21-117,673.45-49,467.45

Finding the Fourth Proportional to 85,298.21, 117,673.45 and 49,467.45

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Solution

The fourth proportional to 85,298.21, 117,673.45 and 49,467.45 is: 68,243.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,298.21 : 117,673.45 = 49,467.45 : x
  2. Step 2: Convert to fraction form
    85,298.21/117,673.45 = 49,467.45/x
  3. Step 3: Cross multiply
    85,298.21x = 117,673.45 × 49,467.45
  4. Step 4: Simplify right side
    85,298.21x = 5,821,005,256.87
  5. Step 5: Solve for x
    x = 5,821,005,256.87/85,298.21
  6. Step 6: Final answer
    x = 68,243.00

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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.