Home / 74,441.76-102,730.27-40,450.25

Finding the Fourth Proportional to 74,441.76, 102,730.27 and 40,450.25

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Solution

The fourth proportional to 74,441.76, 102,730.27 and 40,450.25 is: 55,821.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,441.76 : 102,730.27 = 40,450.25 : x
  2. Step 2: Convert to fraction form
    74,441.76/102,730.27 = 40,450.25/x
  3. Step 3: Cross multiply
    74,441.76x = 102,730.27 × 40,450.25
  4. Step 4: Simplify right side
    74,441.76x = 4,155,465,104.07
  5. Step 5: Solve for x
    x = 4,155,465,104.07/74,441.76
  6. Step 6: Final answer
    x = 55,821.69

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1.5x scale

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.