Home / 98,964.25-136,579.31-54,260.89

Finding the Fourth Proportional to 98,964.25, 136,579.31 and 54,260.89

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Solution

The fourth proportional to 98,964.25, 136,579.31 and 54,260.89 is: 74,884.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,964.25 : 136,579.31 = 54,260.89 : x
  2. Step 2: Convert to fraction form
    98,964.25/136,579.31 = 54,260.89/x
  3. Step 3: Cross multiply
    98,964.25x = 136,579.31 × 54,260.89
  4. Step 4: Simplify right side
    98,964.25x = 7,410,914,916.19
  5. Step 5: Solve for x
    x = 7,410,914,916.19/98,964.25
  6. Step 6: Final answer
    x = 74,884.77

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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.