Home / 104,400.51-144,075.48-56,653.89

Finding the Fourth Proportional to 104,400.51, 144,075.48 and 56,653.89

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Solution

The fourth proportional to 104,400.51, 144,075.48 and 56,653.89 is: 78,183.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,400.51 : 144,075.48 = 56,653.89 : x
  2. Step 2: Convert to fraction form
    104,400.51/144,075.48 = 56,653.89/x
  3. Step 3: Cross multiply
    104,400.51x = 144,075.48 × 56,653.89
  4. Step 4: Simplify right side
    104,400.51x = 8,162,436,395.62
  5. Step 5: Solve for x
    x = 8,162,436,395.62/104,400.51
  6. Step 6: Final answer
    x = 78,183.87

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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.