Home / 74,445.56-102,735.51-40,454.04

Finding the Fourth Proportional to 74,445.56, 102,735.51 and 40,454.04

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Solution

The fourth proportional to 74,445.56, 102,735.51 and 40,454.04 is: 55,826.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,445.56 : 102,735.51 = 40,454.04 : x
  2. Step 2: Convert to fraction form
    74,445.56/102,735.51 = 40,454.04/x
  3. Step 3: Cross multiply
    74,445.56x = 102,735.51 × 40,454.04
  4. Step 4: Simplify right side
    74,445.56x = 4,156,066,430.96
  5. Step 5: Solve for x
    x = 4,156,066,430.96/74,445.56
  6. Step 6: Final answer
    x = 55,826.92

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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.