Home / 74,790.26-103,210.89-40,799.52

Finding the Fourth Proportional to 74,790.26, 103,210.89 and 40,799.52

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Solution

The fourth proportional to 74,790.26, 103,210.89 and 40,799.52 is: 56,303.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,790.26 : 103,210.89 = 40,799.52 : x
  2. Step 2: Convert to fraction form
    74,790.26/103,210.89 = 40,799.52/x
  3. Step 3: Cross multiply
    74,790.26x = 103,210.89 × 40,799.52
  4. Step 4: Simplify right side
    74,790.26x = 4,210,954,770.77
  5. Step 5: Solve for x
    x = 4,210,954,770.77/74,790.26
  6. Step 6: Final answer
    x = 56,303.52

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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.