Home / 54,317.09-81,420.27-49,528.62

Finding the Fourth Proportional to 54,317.09, 81,420.27 and 49,528.62

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Solution

The fourth proportional to 54,317.09, 81,420.27 and 49,528.62 is: 74,242.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,317.09 : 81,420.27 = 49,528.62 : x
  2. Step 2: Convert to fraction form
    54,317.09/81,420.27 = 49,528.62/x
  3. Step 3: Cross multiply
    54,317.09x = 81,420.27 × 49,528.62
  4. Step 4: Simplify right side
    54,317.09x = 4,032,633,613.13
  5. Step 5: Solve for x
    x = 4,032,633,613.13/54,317.09
  6. Step 6: Final answer
    x = 74,242.45

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1.5x scale

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.