Home / 84,887.21-117,146.30-46,649.13

Finding the Fourth Proportional to 84,887.21, 117,146.30 and 46,649.13

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Solution

The fourth proportional to 84,887.21, 117,146.30 and 46,649.13 is: 64,376.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,887.21 : 117,146.30 = 46,649.13 : x
  2. Step 2: Convert to fraction form
    84,887.21/117,146.30 = 46,649.13/x
  3. Step 3: Cross multiply
    84,887.21x = 117,146.30 × 46,649.13
  4. Step 4: Simplify right side
    84,887.21x = 5,464,772,977.72
  5. Step 5: Solve for x
    x = 5,464,772,977.72/84,887.21
  6. Step 6: Final answer
    x = 64,376.87

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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.