Home / 74,741.94-103,117.99-47,899.24

Finding the Fourth Proportional to 74,741.94, 103,117.99 and 47,899.24

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Solution

The fourth proportional to 74,741.94, 103,117.99 and 47,899.24 is: 66,084.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,741.94 : 103,117.99 = 47,899.24 : x
  2. Step 2: Convert to fraction form
    74,741.94/103,117.99 = 47,899.24/x
  3. Step 3: Cross multiply
    74,741.94x = 103,117.99 × 47,899.24
  4. Step 4: Simplify right side
    74,741.94x = 4,939,273,351.33
  5. Step 5: Solve for x
    x = 4,939,273,351.33/74,741.94
  6. Step 6: Final answer
    x = 66,084.36

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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.