Home / 74,792.06-112,155.19-28,012.13

Finding the Fourth Proportional to 74,792.06, 112,155.19 and 28,012.13

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Solution

The fourth proportional to 74,792.06, 112,155.19 and 28,012.13 is: 42,005.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,792.06 : 112,155.19 = 28,012.13 : x
  2. Step 2: Convert to fraction form
    74,792.06/112,155.19 = 28,012.13/x
  3. Step 3: Cross multiply
    74,792.06x = 112,155.19 × 28,012.13
  4. Step 4: Simplify right side
    74,792.06x = 3,141,705,131.65
  5. Step 5: Solve for x
    x = 3,141,705,131.65/74,792.06
  6. Step 6: Final answer
    x = 42,005.87

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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.