Home / 54,412.40-81,618.60-46,636.40

Finding the Fourth Proportional to 54,412.40, 81,618.60 and 46,636.40

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Solution

The fourth proportional to 54,412.40, 81,618.60 and 46,636.40 is: 69,954.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,412.40 : 81,618.60 = 46,636.40 : x
  2. Step 2: Convert to fraction form
    54,412.40/81,618.60 = 46,636.40/x
  3. Step 3: Cross multiply
    54,412.40x = 81,618.60 × 46,636.40
  4. Step 4: Simplify right side
    54,412.40x = 3,806,397,677.04
  5. Step 5: Solve for x
    x = 3,806,397,677.04/54,412.40
  6. Step 6: Final answer
    x = 69,954.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.