Home / 84,284.31-116,315.88-48,474.35

Finding the Fourth Proportional to 84,284.31, 116,315.88 and 48,474.35

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Solution

The fourth proportional to 84,284.31, 116,315.88 and 48,474.35 is: 66,896.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,284.31 : 116,315.88 = 48,474.35 : x
  2. Step 2: Convert to fraction form
    84,284.31/116,315.88 = 48,474.35/x
  3. Step 3: Cross multiply
    84,284.31x = 116,315.88 × 48,474.35
  4. Step 4: Simplify right side
    84,284.31x = 5,638,336,096.10
  5. Step 5: Solve for x
    x = 5,638,336,096.10/84,284.31
  6. Step 6: Final answer
    x = 66,896.63

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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.