Home / 74,512.45-102,780.92-46,218.14

Finding the Fourth Proportional to 74,512.45, 102,780.92 and 46,218.14

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Solution

The fourth proportional to 74,512.45, 102,780.92 and 46,218.14 is: 63,752.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,512.45 : 102,780.92 = 46,218.14 : x
  2. Step 2: Convert to fraction form
    74,512.45/102,780.92 = 46,218.14/x
  3. Step 3: Cross multiply
    74,512.45x = 102,780.92 × 46,218.14
  4. Step 4: Simplify right side
    74,512.45x = 4,750,342,551.53
  5. Step 5: Solve for x
    x = 4,750,342,551.53/74,512.45
  6. Step 6: Final answer
    x = 63,752.34

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1.5x scale

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.