Home / 54,938.70-81,946.19-49,893.39

Finding the Fourth Proportional to 54,938.70, 81,946.19 and 49,893.39

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Solution

The fourth proportional to 54,938.70, 81,946.19 and 49,893.39 is: 74,420.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,938.70 : 81,946.19 = 49,893.39 : x
  2. Step 2: Convert to fraction form
    54,938.70/81,946.19 = 49,893.39/x
  3. Step 3: Cross multiply
    54,938.70x = 81,946.19 × 49,893.39
  4. Step 4: Simplify right side
    54,938.70x = 4,088,572,967.22
  5. Step 5: Solve for x
    x = 4,088,572,967.22/54,938.70
  6. Step 6: Final answer
    x = 74,420.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.