Home / 84,959.89-117,247.59-46,721

Finding the Fourth Proportional to 84,959.89, 117,247.59 and 46,721

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Solution

The fourth proportional to 84,959.89, 117,247.59 and 46,721 is: 64,476.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,959.89 : 117,247.59 = 46,721 : x
  2. Step 2: Convert to fraction form
    84,959.89/117,247.59 = 46,721/x
  3. Step 3: Cross multiply
    84,959.89x = 117,247.59 × 46,721
  4. Step 4: Simplify right side
    84,959.89x = 5,477,924,652.39
  5. Step 5: Solve for x
    x = 5,477,924,652.39/84,959.89
  6. Step 6: Final answer
    x = 64,476.60

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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.