Home / 74,660.45-103,023.95-45,975.52

Finding the Fourth Proportional to 74,660.45, 103,023.95 and 45,975.52

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Solution

The fourth proportional to 74,660.45, 103,023.95 and 45,975.52 is: 63,441.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,660.45 : 103,023.95 = 45,975.52 : x
  2. Step 2: Convert to fraction form
    74,660.45/103,023.95 = 45,975.52/x
  3. Step 3: Cross multiply
    74,660.45x = 103,023.95 × 45,975.52
  4. Step 4: Simplify right side
    74,660.45x = 4,736,579,043.65
  5. Step 5: Solve for x
    x = 4,736,579,043.65/74,660.45
  6. Step 6: Final answer
    x = 63,441.61

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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.