Home / 77,600.53-116,428.79-38,185.32

Finding the Fourth Proportional to 77,600.53, 116,428.79 and 38,185.32

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Solution

The fourth proportional to 77,600.53, 116,428.79 and 38,185.32 is: 57,291.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,600.53 : 116,428.79 = 38,185.32 : x
  2. Step 2: Convert to fraction form
    77,600.53/116,428.79 = 38,185.32/x
  3. Step 3: Cross multiply
    77,600.53x = 116,428.79 × 38,185.32
  4. Step 4: Simplify right side
    77,600.53x = 4,445,871,135.43
  5. Step 5: Solve for x
    x = 4,445,871,135.43/77,600.53
  6. Step 6: Final answer
    x = 57,291.76

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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.