Home / 104,627.42-144,387.06-56,879.72

Finding the Fourth Proportional to 104,627.42, 144,387.06 and 56,879.72

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Solution

The fourth proportional to 104,627.42, 144,387.06 and 56,879.72 is: 78,494.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,627.42 : 144,387.06 = 56,879.72 : x
  2. Step 2: Convert to fraction form
    104,627.42/144,387.06 = 56,879.72/x
  3. Step 3: Cross multiply
    104,627.42x = 144,387.06 × 56,879.72
  4. Step 4: Simplify right side
    104,627.42x = 8,212,695,544.42
  5. Step 5: Solve for x
    x = 8,212,695,544.42/104,627.42
  6. Step 6: Final answer
    x = 78,494.68

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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.