Home / 104,521.86-144,242.85-56,777.94

Finding the Fourth Proportional to 104,521.86, 144,242.85 and 56,777.94

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Solution

The fourth proportional to 104,521.86, 144,242.85 and 56,777.94 is: 78,355.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,521.86 : 144,242.85 = 56,777.94 : x
  2. Step 2: Convert to fraction form
    104,521.86/144,242.85 = 56,777.94/x
  3. Step 3: Cross multiply
    104,521.86x = 144,242.85 × 56,777.94
  4. Step 4: Simplify right side
    104,521.86x = 8,189,811,882.73
  5. Step 5: Solve for x
    x = 8,189,811,882.73/104,521.86
  6. Step 6: Final answer
    x = 78,355.01

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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.