Home / 74,786.55-103,206.10-40,795.19

Finding the Fourth Proportional to 74,786.55, 103,206.10 and 40,795.19

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Solution

The fourth proportional to 74,786.55, 103,206.10 and 40,795.19 is: 56,297.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,786.55 : 103,206.10 = 40,795.19 : x
  2. Step 2: Convert to fraction form
    74,786.55/103,206.10 = 40,795.19/x
  3. Step 3: Cross multiply
    74,786.55x = 103,206.10 × 40,795.19
  4. Step 4: Simplify right side
    74,786.55x = 4,210,312,304.15
  5. Step 5: Solve for x
    x = 4,210,312,304.15/74,786.55
  6. Step 6: Final answer
    x = 56,297.72

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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.