Home / 57,519.58-86,164.50-45,693.38

Finding the Fourth Proportional to 57,519.58, 86,164.50 and 45,693.38

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Solution

The fourth proportional to 57,519.58, 86,164.50 and 45,693.38 is: 68,448.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,519.58 : 86,164.50 = 45,693.38 : x
  2. Step 2: Convert to fraction form
    57,519.58/86,164.50 = 45,693.38/x
  3. Step 3: Cross multiply
    57,519.58x = 86,164.50 × 45,693.38
  4. Step 4: Simplify right side
    57,519.58x = 3,937,146,810.19
  5. Step 5: Solve for x
    x = 3,937,146,810.19/57,519.58
  6. Step 6: Final answer
    x = 68,448.81

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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.