Home / 79,831.16-119,747.84-38,268.44

Finding the Fourth Proportional to 79,831.16, 119,747.84 and 38,268.44

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Solution

The fourth proportional to 79,831.16, 119,747.84 and 38,268.44 is: 57,403.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,831.16 : 119,747.84 = 38,268.44 : x
  2. Step 2: Convert to fraction form
    79,831.16/119,747.84 = 38,268.44/x
  3. Step 3: Cross multiply
    79,831.16x = 119,747.84 × 38,268.44
  4. Step 4: Simplify right side
    79,831.16x = 4,582,563,030.17
  5. Step 5: Solve for x
    x = 4,582,563,030.17/79,831.16
  6. Step 6: Final answer
    x = 57,403.19

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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.