Home / 57,774.63-86,604.53-40,207.55

Finding the Fourth Proportional to 57,774.63, 86,604.53 and 40,207.55

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Solution

The fourth proportional to 57,774.63, 86,604.53 and 40,207.55 is: 60,271.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,774.63 : 86,604.53 = 40,207.55 : x
  2. Step 2: Convert to fraction form
    57,774.63/86,604.53 = 40,207.55/x
  3. Step 3: Cross multiply
    57,774.63x = 86,604.53 × 40,207.55
  4. Step 4: Simplify right side
    57,774.63x = 3,482,155,336.14
  5. Step 5: Solve for x
    x = 3,482,155,336.14/57,774.63
  6. Step 6: Final answer
    x = 60,271.36

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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.