Home / 74,303.82-102,539.27-42,473.41

Finding the Fourth Proportional to 74,303.82, 102,539.27 and 42,473.41

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Solution

The fourth proportional to 74,303.82, 102,539.27 and 42,473.41 is: 58,613.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,303.82 : 102,539.27 = 42,473.41 : x
  2. Step 2: Convert to fraction form
    74,303.82/102,539.27 = 42,473.41/x
  3. Step 3: Cross multiply
    74,303.82x = 102,539.27 × 42,473.41
  4. Step 4: Simplify right side
    74,303.82x = 4,355,192,561.99
  5. Step 5: Solve for x
    x = 4,355,192,561.99/74,303.82
  6. Step 6: Final answer
    x = 58,613.31

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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.