Home / 94,620.30-130,570.04-54,305.68

Finding the Fourth Proportional to 94,620.30, 130,570.04 and 54,305.68

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Solution

The fourth proportional to 94,620.30, 130,570.04 and 54,305.68 is: 74,938.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,620.30 : 130,570.04 = 54,305.68 : x
  2. Step 2: Convert to fraction form
    94,620.30/130,570.04 = 54,305.68/x
  3. Step 3: Cross multiply
    94,620.30x = 130,570.04 × 54,305.68
  4. Step 4: Simplify right side
    94,620.30x = 7,090,694,809.83
  5. Step 5: Solve for x
    x = 7,090,694,809.83/94,620.30
  6. Step 6: Final answer
    x = 74,938.41

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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.