Home / 124,325.79-186,488.47-30,831.54

Finding the Fourth Proportional to 124,325.79, 186,488.47 and 30,831.54

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Solution

The fourth proportional to 124,325.79, 186,488.47 and 30,831.54 is: 46,247.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,325.79 : 186,488.47 = 30,831.54 : x
  2. Step 2: Convert to fraction form
    124,325.79/186,488.47 = 30,831.54/x
  3. Step 3: Cross multiply
    124,325.79x = 186,488.47 × 30,831.54
  4. Step 4: Simplify right side
    124,325.79x = 5,749,726,722.34
  5. Step 5: Solve for x
    x = 5,749,726,722.34/124,325.79
  6. Step 6: Final answer
    x = 46,247.26

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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.