Home / 104,642.87-144,406.42-56,896.25

Finding the Fourth Proportional to 104,642.87, 144,406.42 and 56,896.25

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Solution

The fourth proportional to 104,642.87, 144,406.42 and 56,896.25 is: 78,516.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,642.87 : 144,406.42 = 56,896.25 : x
  2. Step 2: Convert to fraction form
    104,642.87/144,406.42 = 56,896.25/x
  3. Step 3: Cross multiply
    104,642.87x = 144,406.42 × 56,896.25
  4. Step 4: Simplify right side
    104,642.87x = 8,216,182,909.65
  5. Step 5: Solve for x
    x = 8,216,182,909.65/104,642.87
  6. Step 6: Final answer
    x = 78,516.42

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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.