Home / 62,400.40-86,086.72-45,367.28

Finding the Fourth Proportional to 62,400.40, 86,086.72 and 45,367.28

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Solution

The fourth proportional to 62,400.40, 86,086.72 and 45,367.28 is: 62,588.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,400.40 : 86,086.72 = 45,367.28 : x
  2. Step 2: Convert to fraction form
    62,400.40/86,086.72 = 45,367.28/x
  3. Step 3: Cross multiply
    62,400.40x = 86,086.72 × 45,367.28
  4. Step 4: Simplify right side
    62,400.40x = 3,905,520,330.52
  5. Step 5: Solve for x
    x = 3,905,520,330.52/62,400.40
  6. Step 6: Final answer
    x = 62,588.07

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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.