Home / 74,159.56-102,338.82-40,625.32

Finding the Fourth Proportional to 74,159.56, 102,338.82 and 40,625.32

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Solution

The fourth proportional to 74,159.56, 102,338.82 and 40,625.32 is: 56,062.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,159.56 : 102,338.82 = 40,625.32 : x
  2. Step 2: Convert to fraction form
    74,159.56/102,338.82 = 40,625.32/x
  3. Step 3: Cross multiply
    74,159.56x = 102,338.82 × 40,625.32
  4. Step 4: Simplify right side
    74,159.56x = 4,157,547,310.92
  5. Step 5: Solve for x
    x = 4,157,547,310.92/74,159.56
  6. Step 6: Final answer
    x = 56,062.19

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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.