Home / 74,566.76-102,899.09-42,713.51

Finding the Fourth Proportional to 74,566.76, 102,899.09 and 42,713.51

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Solution

The fourth proportional to 74,566.76, 102,899.09 and 42,713.51 is: 58,942.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,566.76 : 102,899.09 = 42,713.51 : x
  2. Step 2: Convert to fraction form
    74,566.76/102,899.09 = 42,713.51/x
  3. Step 3: Cross multiply
    74,566.76x = 102,899.09 × 42,713.51
  4. Step 4: Simplify right side
    74,566.76x = 4,395,180,901.99
  5. Step 5: Solve for x
    x = 4,395,180,901.99/74,566.76
  6. Step 6: Final answer
    x = 58,942.90

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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.