Home / 104,092.39-143,647.17-56,345.62

Finding the Fourth Proportional to 104,092.39, 143,647.17 and 56,345.62

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Solution

The fourth proportional to 104,092.39, 143,647.17 and 56,345.62 is: 77,756.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,092.39 : 143,647.17 = 56,345.62 : x
  2. Step 2: Convert to fraction form
    104,092.39/143,647.17 = 56,345.62/x
  3. Step 3: Cross multiply
    104,092.39x = 143,647.17 × 56,345.62
  4. Step 4: Simplify right side
    104,092.39x = 8,093,888,854.90
  5. Step 5: Solve for x
    x = 8,093,888,854.90/104,092.39
  6. Step 6: Final answer
    x = 77,756.78

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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.