Home / 57,154.41-85,578.03-46,581.21

Finding the Fourth Proportional to 57,154.41, 85,578.03 and 46,581.21

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Solution

The fourth proportional to 57,154.41, 85,578.03 and 46,581.21 is: 69,746.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,154.41 : 85,578.03 = 46,581.21 : x
  2. Step 2: Convert to fraction form
    57,154.41/85,578.03 = 46,581.21/x
  3. Step 3: Cross multiply
    57,154.41x = 85,578.03 × 46,581.21
  4. Step 4: Simplify right side
    57,154.41x = 3,986,328,186.82
  5. Step 5: Solve for x
    x = 3,986,328,186.82/57,154.41
  6. Step 6: Final answer
    x = 69,746.64

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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.