Home / 104,542.30-144,269.07-56,795.64

Finding the Fourth Proportional to 104,542.30, 144,269.07 and 56,795.64

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Solution

The fourth proportional to 104,542.30, 144,269.07 and 56,795.64 is: 78,378.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,542.30 : 144,269.07 = 56,795.64 : x
  2. Step 2: Convert to fraction form
    104,542.30/144,269.07 = 56,795.64/x
  3. Step 3: Cross multiply
    104,542.30x = 144,269.07 × 56,795.64
  4. Step 4: Simplify right side
    104,542.30x = 8,193,853,408.86
  5. Step 5: Solve for x
    x = 8,193,853,408.86/104,542.30
  6. Step 6: Final answer
    x = 78,378.35

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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.