Home / 57,890.77-79,899.42-33,689.19

Finding the Fourth Proportional to 57,890.77, 79,899.42 and 33,689.19

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Solution

The fourth proportional to 57,890.77, 79,899.42 and 33,689.19 is: 46,496.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,890.77 : 79,899.42 = 33,689.19 : x
  2. Step 2: Convert to fraction form
    57,890.77/79,899.42 = 33,689.19/x
  3. Step 3: Cross multiply
    57,890.77x = 79,899.42 × 33,689.19
  4. Step 4: Simplify right side
    57,890.77x = 2,691,746,741.27
  5. Step 5: Solve for x
    x = 2,691,746,741.27/57,890.77
  6. Step 6: Final answer
    x = 46,496.99

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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.