Home / 104,526.75-144,249.54-56,780.10

Finding the Fourth Proportional to 104,526.75, 144,249.54 and 56,780.10

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Solution

The fourth proportional to 104,526.75, 144,249.54 and 56,780.10 is: 78,357.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,526.75 : 144,249.54 = 56,780.10 : x
  2. Step 2: Convert to fraction form
    104,526.75/144,249.54 = 56,780.10/x
  3. Step 3: Cross multiply
    104,526.75x = 144,249.54 × 56,780.10
  4. Step 4: Simplify right side
    104,526.75x = 8,190,503,306.15
  5. Step 5: Solve for x
    x = 8,190,503,306.15/104,526.75
  6. Step 6: Final answer
    x = 78,357.96

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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.