Home / 74,433.02-102,717.55-40,899.02

Finding the Fourth Proportional to 74,433.02, 102,717.55 and 40,899.02

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Solution

The fourth proportional to 74,433.02, 102,717.55 and 40,899.02 is: 56,440.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,433.02 : 102,717.55 = 40,899.02 : x
  2. Step 2: Convert to fraction form
    74,433.02/102,717.55 = 40,899.02/x
  3. Step 3: Cross multiply
    74,433.02x = 102,717.55 × 40,899.02
  4. Step 4: Simplify right side
    74,433.02x = 4,201,047,131.80
  5. Step 5: Solve for x
    x = 4,201,047,131.80/74,433.02
  6. Step 6: Final answer
    x = 56,440.64

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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.