Home / 84,485.47-116,582.05-50,487.21

Finding the Fourth Proportional to 84,485.47, 116,582.05 and 50,487.21

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Solution

The fourth proportional to 84,485.47, 116,582.05 and 50,487.21 is: 69,667.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,485.47 : 116,582.05 = 50,487.21 : x
  2. Step 2: Convert to fraction form
    84,485.47/116,582.05 = 50,487.21/x
  3. Step 3: Cross multiply
    84,485.47x = 116,582.05 × 50,487.21
  4. Step 4: Simplify right side
    84,485.47x = 5,885,902,440.58
  5. Step 5: Solve for x
    x = 5,885,902,440.58/84,485.47
  6. Step 6: Final answer
    x = 69,667.63

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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.