Home / 74,972.16-103,457.52-41,436

Finding the Fourth Proportional to 74,972.16, 103,457.52 and 41,436

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Solution

The fourth proportional to 74,972.16, 103,457.52 and 41,436 is: 57,179.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,972.16 : 103,457.52 = 41,436 : x
  2. Step 2: Convert to fraction form
    74,972.16/103,457.52 = 41,436/x
  3. Step 3: Cross multiply
    74,972.16x = 103,457.52 × 41,436
  4. Step 4: Simplify right side
    74,972.16x = 4,286,865,798.72
  5. Step 5: Solve for x
    x = 4,286,865,798.72/74,972.16
  6. Step 6: Final answer
    x = 57,179.44

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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.