Home / 84,638.25-116,801.46-46,912.50

Finding the Fourth Proportional to 84,638.25, 116,801.46 and 46,912.50

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Solution

The fourth proportional to 84,638.25, 116,801.46 and 46,912.50 is: 64,739.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,638.25 : 116,801.46 = 46,912.50 : x
  2. Step 2: Convert to fraction form
    84,638.25/116,801.46 = 46,912.50/x
  3. Step 3: Cross multiply
    84,638.25x = 116,801.46 × 46,912.50
  4. Step 4: Simplify right side
    84,638.25x = 5,479,448,492.25
  5. Step 5: Solve for x
    x = 5,479,448,492.25/84,638.25
  6. Step 6: Final answer
    x = 64,739.62

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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.