Home / 74,792.56-112,155.94-28,012.63

Finding the Fourth Proportional to 74,792.56, 112,155.94 and 28,012.63

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Solution

The fourth proportional to 74,792.56, 112,155.94 and 28,012.63 is: 42,006.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,792.56 : 112,155.94 = 28,012.63 : x
  2. Step 2: Convert to fraction form
    74,792.56/112,155.94 = 28,012.63/x
  3. Step 3: Cross multiply
    74,792.56x = 112,155.94 × 28,012.63
  4. Step 4: Simplify right side
    74,792.56x = 3,141,782,148.68
  5. Step 5: Solve for x
    x = 3,141,782,148.68/74,792.56
  6. Step 6: Final answer
    x = 42,006.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.