Home / 104,680.40-144,464.85-56,932.79

Finding the Fourth Proportional to 104,680.40, 144,464.85 and 56,932.79

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Solution

The fourth proportional to 104,680.40, 144,464.85 and 56,932.79 is: 78,570.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,680.40 : 144,464.85 = 56,932.79 : x
  2. Step 2: Convert to fraction form
    104,680.40/144,464.85 = 56,932.79/x
  3. Step 3: Cross multiply
    104,680.40x = 144,464.85 × 56,932.79
  4. Step 4: Simplify right side
    104,680.40x = 8,224,786,245.11
  5. Step 5: Solve for x
    x = 8,224,786,245.11/104,680.40
  6. Step 6: Final answer
    x = 78,570.45

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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.