Home / 74,586.06-102,928.32-40,593.60

Finding the Fourth Proportional to 74,586.06, 102,928.32 and 40,593.60

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Solution

The fourth proportional to 74,586.06, 102,928.32 and 40,593.60 is: 56,018.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,586.06 : 102,928.32 = 40,593.60 : x
  2. Step 2: Convert to fraction form
    74,586.06/102,928.32 = 40,593.60/x
  3. Step 3: Cross multiply
    74,586.06x = 102,928.32 × 40,593.60
  4. Step 4: Simplify right side
    74,586.06x = 4,178,231,050.75
  5. Step 5: Solve for x
    x = 4,178,231,050.75/74,586.06
  6. Step 6: Final answer
    x = 56,018.93

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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.