Home / 79,588.23-109,831.24-45,139.52

Finding the Fourth Proportional to 79,588.23, 109,831.24 and 45,139.52

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Solution

The fourth proportional to 79,588.23, 109,831.24 and 45,139.52 is: 62,292.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,588.23 : 109,831.24 = 45,139.52 : x
  2. Step 2: Convert to fraction form
    79,588.23/109,831.24 = 45,139.52/x
  3. Step 3: Cross multiply
    79,588.23x = 109,831.24 × 45,139.52
  4. Step 4: Simplify right side
    79,588.23x = 4,957,729,259.10
  5. Step 5: Solve for x
    x = 4,957,729,259.10/79,588.23
  6. Step 6: Final answer
    x = 62,292.24

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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.