Home / 84,128.37-116,068.04-53,930.36

Finding the Fourth Proportional to 84,128.37, 116,068.04 and 53,930.36

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Solution

The fourth proportional to 84,128.37, 116,068.04 and 53,930.36 is: 74,405.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,128.37 : 116,068.04 = 53,930.36 : x
  2. Step 2: Convert to fraction form
    84,128.37/116,068.04 = 53,930.36/x
  3. Step 3: Cross multiply
    84,128.37x = 116,068.04 × 53,930.36
  4. Step 4: Simplify right side
    84,128.37x = 6,259,590,751.57
  5. Step 5: Solve for x
    x = 6,259,590,751.57/84,128.37
  6. Step 6: Final answer
    x = 74,405.23

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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.