Home / 55,583.18-76,749.02-51,332.68

Finding the Fourth Proportional to 55,583.18, 76,749.02 and 51,332.68

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Solution

The fourth proportional to 55,583.18, 76,749.02 and 51,332.68 is: 70,879.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,583.18 : 76,749.02 = 51,332.68 : x
  2. Step 2: Convert to fraction form
    55,583.18/76,749.02 = 51,332.68/x
  3. Step 3: Cross multiply
    55,583.18x = 76,749.02 × 51,332.68
  4. Step 4: Simplify right side
    55,583.18x = 3,939,732,883.97
  5. Step 5: Solve for x
    x = 3,939,732,883.97/55,583.18
  6. Step 6: Final answer
    x = 70,879.95

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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.