Home / 57,645.58-85,895.32-51,357.27

Finding the Fourth Proportional to 57,645.58, 85,895.32 and 51,357.27

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Solution

The fourth proportional to 57,645.58, 85,895.32 and 51,357.27 is: 76,525.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,645.58 : 85,895.32 = 51,357.27 : x
  2. Step 2: Convert to fraction form
    57,645.58/85,895.32 = 51,357.27/x
  3. Step 3: Cross multiply
    57,645.58x = 85,895.32 × 51,357.27
  4. Step 4: Simplify right side
    57,645.58x = 4,411,349,140.98
  5. Step 5: Solve for x
    x = 4,411,349,140.98/57,645.58
  6. Step 6: Final answer
    x = 76,525.37

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.