Home / 74,024.30-102,153.24-40,032.83

Finding the Fourth Proportional to 74,024.30, 102,153.24 and 40,032.83

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Solution

The fourth proportional to 74,024.30, 102,153.24 and 40,032.83 is: 55,245.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,024.30 : 102,153.24 = 40,032.83 : x
  2. Step 2: Convert to fraction form
    74,024.30/102,153.24 = 40,032.83/x
  3. Step 3: Cross multiply
    74,024.30x = 102,153.24 × 40,032.83
  4. Step 4: Simplify right side
    74,024.30x = 4,089,483,121.76
  5. Step 5: Solve for x
    x = 4,089,483,121.76/74,024.30
  6. Step 6: Final answer
    x = 55,245.14

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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.