Home / 74,507.49-102,824.37-42,675.30

Finding the Fourth Proportional to 74,507.49, 102,824.37 and 42,675.30

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Solution

The fourth proportional to 74,507.49, 102,824.37 and 42,675.30 is: 58,894.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,507.49 : 102,824.37 = 42,675.30 : x
  2. Step 2: Convert to fraction form
    74,507.49/102,824.37 = 42,675.30/x
  3. Step 3: Cross multiply
    74,507.49x = 102,824.37 × 42,675.30
  4. Step 4: Simplify right side
    74,507.49x = 4,388,060,837.06
  5. Step 5: Solve for x
    x = 4,388,060,837.06/74,507.49
  6. Step 6: Final answer
    x = 58,894.22

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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.