Home / 74,166.56-102,348.48-40,632.32

Finding the Fourth Proportional to 74,166.56, 102,348.48 and 40,632.32

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Solution

The fourth proportional to 74,166.56, 102,348.48 and 40,632.32 is: 56,071.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,166.56 : 102,348.48 = 40,632.32 : x
  2. Step 2: Convert to fraction form
    74,166.56/102,348.48 = 40,632.32/x
  3. Step 3: Cross multiply
    74,166.56x = 102,348.48 × 40,632.32
  4. Step 4: Simplify right side
    74,166.56x = 4,158,656,190.87
  5. Step 5: Solve for x
    x = 4,158,656,190.87/74,166.56
  6. Step 6: Final answer
    x = 56,071.85

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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.