Home / 74,130.75-102,300.48-40,596.75

Finding the Fourth Proportional to 74,130.75, 102,300.48 and 40,596.75

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Solution

The fourth proportional to 74,130.75, 102,300.48 and 40,596.75 is: 56,023.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,130.75 : 102,300.48 = 40,596.75 : x
  2. Step 2: Convert to fraction form
    74,130.75/102,300.48 = 40,596.75/x
  3. Step 3: Cross multiply
    74,130.75x = 102,300.48 × 40,596.75
  4. Step 4: Simplify right side
    74,130.75x = 4,153,067,011.44
  5. Step 5: Solve for x
    x = 4,153,067,011.44/74,130.75
  6. Step 6: Final answer
    x = 56,023.54

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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.