Home / 62,754.21-86,771.32-61,740.29

Finding the Fourth Proportional to 62,754.21, 86,771.32 and 61,740.29

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Solution

The fourth proportional to 62,754.21, 86,771.32 and 61,740.29 is: 85,369.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,754.21 : 86,771.32 = 61,740.29 : x
  2. Step 2: Convert to fraction form
    62,754.21/86,771.32 = 61,740.29/x
  3. Step 3: Cross multiply
    62,754.21x = 86,771.32 × 61,740.29
  4. Step 4: Simplify right side
    62,754.21x = 5,357,286,523.06
  5. Step 5: Solve for x
    x = 5,357,286,523.06/62,754.21
  6. Step 6: Final answer
    x = 85,369.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.