Home / 74,445.40-102,735.06-40,454.14

Finding the Fourth Proportional to 74,445.40, 102,735.06 and 40,454.14

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Solution

The fourth proportional to 74,445.40, 102,735.06 and 40,454.14 is: 55,826.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,445.40 : 102,735.06 = 40,454.14 : x
  2. Step 2: Convert to fraction form
    74,445.40/102,735.06 = 40,454.14/x
  3. Step 3: Cross multiply
    74,445.40x = 102,735.06 × 40,454.14
  4. Step 4: Simplify right side
    74,445.40x = 4,156,058,500.15
  5. Step 5: Solve for x
    x = 4,156,058,500.15/74,445.40
  6. Step 6: Final answer
    x = 55,826.93

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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.