Home / 74,730.50-103,130.25-41,198.66

Finding the Fourth Proportional to 74,730.50, 103,130.25 and 41,198.66

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Solution

The fourth proportional to 74,730.50, 103,130.25 and 41,198.66 is: 56,855.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,730.50 : 103,130.25 = 41,198.66 : x
  2. Step 2: Convert to fraction form
    74,730.50/103,130.25 = 41,198.66/x
  3. Step 3: Cross multiply
    74,730.50x = 103,130.25 × 41,198.66
  4. Step 4: Simplify right side
    74,730.50x = 4,248,828,105.47
  5. Step 5: Solve for x
    x = 4,248,828,105.47/74,730.50
  6. Step 6: Final answer
    x = 56,855.34

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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.