Home / 53,736.85-74,157-29,863.45

Finding the Fourth Proportional to 53,736.85, 74,157 and 29,863.45

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Solution

The fourth proportional to 53,736.85, 74,157 and 29,863.45 is: 41,211.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,736.85 : 74,157 = 29,863.45 : x
  2. Step 2: Convert to fraction form
    53,736.85/74,157 = 29,863.45/x
  3. Step 3: Cross multiply
    53,736.85x = 74,157 × 29,863.45
  4. Step 4: Simplify right side
    53,736.85x = 2,214,583,490.87
  5. Step 5: Solve for x
    x = 2,214,583,490.87/53,736.85
  6. Step 6: Final answer
    x = 41,211.64

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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.