Home / 57,561.24-86,341.86-54,312.60

Finding the Fourth Proportional to 57,561.24, 86,341.86 and 54,312.60

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Solution

The fourth proportional to 57,561.24, 86,341.86 and 54,312.60 is: 81,468.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,561.24 : 86,341.86 = 54,312.60 : x
  2. Step 2: Convert to fraction form
    57,561.24/86,341.86 = 54,312.60/x
  3. Step 3: Cross multiply
    57,561.24x = 86,341.86 × 54,312.60
  4. Step 4: Simplify right side
    57,561.24x = 4,689,450,905.44
  5. Step 5: Solve for x
    x = 4,689,450,905.44/57,561.24
  6. Step 6: Final answer
    x = 81,468.90

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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.