Home / 74,495.36-102,803.64-40,961.36

Finding the Fourth Proportional to 74,495.36, 102,803.64 and 40,961.36

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Solution

The fourth proportional to 74,495.36, 102,803.64 and 40,961.36 is: 56,526.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,495.36 : 102,803.64 = 40,961.36 : x
  2. Step 2: Convert to fraction form
    74,495.36/102,803.64 = 40,961.36/x
  3. Step 3: Cross multiply
    74,495.36x = 102,803.64 × 40,961.36
  4. Step 4: Simplify right side
    74,495.36x = 4,210,976,907.35
  5. Step 5: Solve for x
    x = 4,210,976,907.35/74,495.36
  6. Step 6: Final answer
    x = 56,526.70

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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.