Home / 104,425.05-144,106.73-56,678.42

Finding the Fourth Proportional to 104,425.05, 144,106.73 and 56,678.42

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Solution

The fourth proportional to 104,425.05, 144,106.73 and 56,678.42 is: 78,216.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,425.05 : 144,106.73 = 56,678.42 : x
  2. Step 2: Convert to fraction form
    104,425.05/144,106.73 = 56,678.42/x
  3. Step 3: Cross multiply
    104,425.05x = 144,106.73 × 56,678.42
  4. Step 4: Simplify right side
    104,425.05x = 8,167,741,767.77
  5. Step 5: Solve for x
    x = 8,167,741,767.77/104,425.05
  6. Step 6: Final answer
    x = 78,216.31

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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.