Home / 74,459.26-102,750.96-42,631.12

Finding the Fourth Proportional to 74,459.26, 102,750.96 and 42,631.12

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Solution

The fourth proportional to 74,459.26, 102,750.96 and 42,631.12 is: 58,829.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,459.26 : 102,750.96 = 42,631.12 : x
  2. Step 2: Convert to fraction form
    74,459.26/102,750.96 = 42,631.12/x
  3. Step 3: Cross multiply
    74,459.26x = 102,750.96 × 42,631.12
  4. Step 4: Simplify right side
    74,459.26x = 4,380,388,505.88
  5. Step 5: Solve for x
    x = 4,380,388,505.88/74,459.26
  6. Step 6: Final answer
    x = 58,829.33

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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.