Home / 74,944.84-103,422.63-40,952.58

Finding the Fourth Proportional to 74,944.84, 103,422.63 and 40,952.58

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Solution

The fourth proportional to 74,944.84, 103,422.63 and 40,952.58 is: 56,513.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,944.84 : 103,422.63 = 40,952.58 : x
  2. Step 2: Convert to fraction form
    74,944.84/103,422.63 = 40,952.58/x
  3. Step 3: Cross multiply
    74,944.84x = 103,422.63 × 40,952.58
  4. Step 4: Simplify right side
    74,944.84x = 4,235,423,528.89
  5. Step 5: Solve for x
    x = 4,235,423,528.89/74,944.84
  6. Step 6: Final answer
    x = 56,513.88

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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.