Home / 101,518.14-140,095.34-54,950.98

Finding the Fourth Proportional to 101,518.14, 140,095.34 and 54,950.98

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Solution

The fourth proportional to 101,518.14, 140,095.34 and 54,950.98 is: 75,832.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,518.14 : 140,095.34 = 54,950.98 : x
  2. Step 2: Convert to fraction form
    101,518.14/140,095.34 = 54,950.98/x
  3. Step 3: Cross multiply
    101,518.14x = 140,095.34 × 54,950.98
  4. Step 4: Simplify right side
    101,518.14x = 7,698,376,226.43
  5. Step 5: Solve for x
    x = 7,698,376,226.43/101,518.14
  6. Step 6: Final answer
    x = 75,832.52

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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.