Home / 54,050.83-74,585.88-31,386.12

Finding the Fourth Proportional to 54,050.83, 74,585.88 and 31,386.12

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Solution

The fourth proportional to 54,050.83, 74,585.88 and 31,386.12 is: 43,310.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,050.83 : 74,585.88 = 31,386.12 : x
  2. Step 2: Convert to fraction form
    54,050.83/74,585.88 = 31,386.12/x
  3. Step 3: Cross multiply
    54,050.83x = 74,585.88 × 31,386.12
  4. Step 4: Simplify right side
    54,050.83x = 2,340,961,379.99
  5. Step 5: Solve for x
    x = 2,340,961,379.99/54,050.83
  6. Step 6: Final answer
    x = 43,310.37

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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.