Home / 124,605.20-186,966.16-54,475.44

Finding the Fourth Proportional to 124,605.20, 186,966.16 and 54,475.44

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Solution

The fourth proportional to 124,605.20, 186,966.16 and 54,475.44 is: 81,738.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,605.20 : 186,966.16 = 54,475.44 : x
  2. Step 2: Convert to fraction form
    124,605.20/186,966.16 = 54,475.44/x
  3. Step 3: Cross multiply
    124,605.20x = 186,966.16 × 54,475.44
  4. Step 4: Simplify right side
    124,605.20x = 10,185,063,831.11
  5. Step 5: Solve for x
    x = 10,185,063,831.11/124,605.20
  6. Step 6: Final answer
    x = 81,738.67

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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.