Home / 74,303.45-102,538.76-42,473.03

Finding the Fourth Proportional to 74,303.45, 102,538.76 and 42,473.03

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Solution

The fourth proportional to 74,303.45, 102,538.76 and 42,473.03 is: 58,612.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,303.45 : 102,538.76 = 42,473.03 : x
  2. Step 2: Convert to fraction form
    74,303.45/102,538.76 = 42,473.03/x
  3. Step 3: Cross multiply
    74,303.45x = 102,538.76 × 42,473.03
  4. Step 4: Simplify right side
    74,303.45x = 4,355,131,873.62
  5. Step 5: Solve for x
    x = 4,355,131,873.62/74,303.45
  6. Step 6: Final answer
    x = 58,612.79

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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.