Home / 74,263.90-102,447.94-42,424.42

Finding the Fourth Proportional to 74,263.90, 102,447.94 and 42,424.42

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Solution

The fourth proportional to 74,263.90, 102,447.94 and 42,424.42 is: 58,525.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,263.90 : 102,447.94 = 42,424.42 : x
  2. Step 2: Convert to fraction form
    74,263.90/102,447.94 = 42,424.42/x
  3. Step 3: Cross multiply
    74,263.90x = 102,447.94 × 42,424.42
  4. Step 4: Simplify right side
    74,263.90x = 4,346,294,434.69
  5. Step 5: Solve for x
    x = 4,346,294,434.69/74,263.90
  6. Step 6: Final answer
    x = 58,525.00

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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.