Home / 74,447.04-102,736.88-40,913.04

Finding the Fourth Proportional to 74,447.04, 102,736.88 and 40,913.04

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Solution

The fourth proportional to 74,447.04, 102,736.88 and 40,913.04 is: 56,459.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,447.04 : 102,736.88 = 40,913.04 : x
  2. Step 2: Convert to fraction form
    74,447.04/102,736.88 = 40,913.04/x
  3. Step 3: Cross multiply
    74,447.04x = 102,736.88 × 40,913.04
  4. Step 4: Simplify right side
    74,447.04x = 4,203,278,080.92
  5. Step 5: Solve for x
    x = 4,203,278,080.92/74,447.04
  6. Step 6: Final answer
    x = 56,459.98

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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.