Home / 93,825.61-140,739.60-30,645.21

Finding the Fourth Proportional to 93,825.61, 140,739.60 and 30,645.21

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Solution

The fourth proportional to 93,825.61, 140,739.60 and 30,645.21 is: 45,968.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,825.61 : 140,739.60 = 30,645.21 : x
  2. Step 2: Convert to fraction form
    93,825.61/140,739.60 = 30,645.21/x
  3. Step 3: Cross multiply
    93,825.61x = 140,739.60 × 30,645.21
  4. Step 4: Simplify right side
    93,825.61x = 4,312,994,597.32
  5. Step 5: Solve for x
    x = 4,312,994,597.32/93,825.61
  6. Step 6: Final answer
    x = 45,968.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.