Home / 84,996.64-117,302.16-47,278.24

Finding the Fourth Proportional to 84,996.64, 117,302.16 and 47,278.24

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Solution

The fourth proportional to 84,996.64, 117,302.16 and 47,278.24 is: 65,247.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,996.64 : 117,302.16 = 47,278.24 : x
  2. Step 2: Convert to fraction form
    84,996.64/117,302.16 = 47,278.24/x
  3. Step 3: Cross multiply
    84,996.64x = 117,302.16 × 47,278.24
  4. Step 4: Simplify right side
    84,996.64x = 5,545,839,673.00
  5. Step 5: Solve for x
    x = 5,545,839,673.00/84,996.64
  6. Step 6: Final answer
    x = 65,247.75

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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.