Home / 74,690.04-103,072.86-41,156.04

Finding the Fourth Proportional to 74,690.04, 103,072.86 and 41,156.04

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Solution

The fourth proportional to 74,690.04, 103,072.86 and 41,156.04 is: 56,795.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,690.04 : 103,072.86 = 41,156.04 : x
  2. Step 2: Convert to fraction form
    74,690.04/103,072.86 = 41,156.04/x
  3. Step 3: Cross multiply
    74,690.04x = 103,072.86 × 41,156.04
  4. Step 4: Simplify right side
    74,690.04x = 4,242,070,749.07
  5. Step 5: Solve for x
    x = 4,242,070,749.07/74,690.04
  6. Step 6: Final answer
    x = 56,795.67

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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.