Home / 75,290.10-103,900.50-41,298.90

Finding the Fourth Proportional to 75,290.10, 103,900.50 and 41,298.90

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Solution

The fourth proportional to 75,290.10, 103,900.50 and 41,298.90 is: 56,992.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,290.10 : 103,900.50 = 41,298.90 : x
  2. Step 2: Convert to fraction form
    75,290.10/103,900.50 = 41,298.90/x
  3. Step 3: Cross multiply
    75,290.10x = 103,900.50 × 41,298.90
  4. Step 4: Simplify right side
    75,290.10x = 4,290,976,359.45
  5. Step 5: Solve for x
    x = 4,290,976,359.45/75,290.10
  6. Step 6: Final answer
    x = 56,992.57

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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.