Home / 74,459.45-102,754.27-42,628.59

Finding the Fourth Proportional to 74,459.45, 102,754.27 and 42,628.59

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Solution

The fourth proportional to 74,459.45, 102,754.27 and 42,628.59 is: 58,827.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,459.45 : 102,754.27 = 42,628.59 : x
  2. Step 2: Convert to fraction form
    74,459.45/102,754.27 = 42,628.59/x
  3. Step 3: Cross multiply
    74,459.45x = 102,754.27 × 42,628.59
  4. Step 4: Simplify right side
    74,459.45x = 4,380,269,646.58
  5. Step 5: Solve for x
    x = 4,380,269,646.58/74,459.45
  6. Step 6: Final answer
    x = 58,827.59

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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.