Home / 104,089.14-143,643.09-56,342.34

Finding the Fourth Proportional to 104,089.14, 143,643.09 and 56,342.34

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Solution

The fourth proportional to 104,089.14, 143,643.09 and 56,342.34 is: 77,752.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,089.14 : 143,643.09 = 56,342.34 : x
  2. Step 2: Convert to fraction form
    104,089.14/143,643.09 = 56,342.34/x
  3. Step 3: Cross multiply
    104,089.14x = 143,643.09 × 56,342.34
  4. Step 4: Simplify right side
    104,089.14x = 8,093,187,815.43
  5. Step 5: Solve for x
    x = 8,093,187,815.43/104,089.14
  6. Step 6: Final answer
    x = 77,752.47

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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.