Home / 57,645.77-85,895.62-51,357.47

Finding the Fourth Proportional to 57,645.77, 85,895.62 and 51,357.47

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Solution

The fourth proportional to 57,645.77, 85,895.62 and 51,357.47 is: 76,525.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,645.77 : 85,895.62 = 51,357.47 : x
  2. Step 2: Convert to fraction form
    57,645.77/85,895.62 = 51,357.47/x
  3. Step 3: Cross multiply
    57,645.77x = 85,895.62 × 51,357.47
  4. Step 4: Simplify right side
    57,645.77x = 4,411,381,727.28
  5. Step 5: Solve for x
    x = 4,411,381,727.28/57,645.77
  6. Step 6: Final answer
    x = 76,525.68

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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.