Home / 74,326.55-102,568.77-42,493.41

Finding the Fourth Proportional to 74,326.55, 102,568.77 and 42,493.41

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Solution

The fourth proportional to 74,326.55, 102,568.77 and 42,493.41 is: 58,639.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,326.55 : 102,568.77 = 42,493.41 : x
  2. Step 2: Convert to fraction form
    74,326.55/102,568.77 = 42,493.41/x
  3. Step 3: Cross multiply
    74,326.55x = 102,568.77 × 42,493.41
  4. Step 4: Simplify right side
    74,326.55x = 4,358,496,796.81
  5. Step 5: Solve for x
    x = 4,358,496,796.81/74,326.55
  6. Step 6: Final answer
    x = 58,639.84

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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.