Home / 55,240.12-76,260.20-43,114.56

Finding the Fourth Proportional to 55,240.12, 76,260.20 and 43,114.56

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Solution

The fourth proportional to 55,240.12, 76,260.20 and 43,114.56 is: 59,520.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,240.12 : 76,260.20 = 43,114.56 : x
  2. Step 2: Convert to fraction form
    55,240.12/76,260.20 = 43,114.56/x
  3. Step 3: Cross multiply
    55,240.12x = 76,260.20 × 43,114.56
  4. Step 4: Simplify right side
    55,240.12x = 3,287,924,968.51
  5. Step 5: Solve for x
    x = 3,287,924,968.51/55,240.12
  6. Step 6: Final answer
    x = 59,520.60

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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.