Home / 74,952.19-103,435.14-40,961.35

Finding the Fourth Proportional to 74,952.19, 103,435.14 and 40,961.35

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Solution

The fourth proportional to 74,952.19, 103,435.14 and 40,961.35 is: 56,527.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,952.19 : 103,435.14 = 40,961.35 : x
  2. Step 2: Convert to fraction form
    74,952.19/103,435.14 = 40,961.35/x
  3. Step 3: Cross multiply
    74,952.19x = 103,435.14 × 40,961.35
  4. Step 4: Simplify right side
    74,952.19x = 4,236,842,971.84
  5. Step 5: Solve for x
    x = 4,236,842,971.84/74,952.19
  6. Step 6: Final answer
    x = 56,527.27

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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.