Home / 104,521.93-144,243.38-56,778.50

Finding the Fourth Proportional to 104,521.93, 144,243.38 and 56,778.50

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Solution

The fourth proportional to 104,521.93, 144,243.38 and 56,778.50 is: 78,356.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,521.93 : 144,243.38 = 56,778.50 : x
  2. Step 2: Convert to fraction form
    104,521.93/144,243.38 = 56,778.50/x
  3. Step 3: Cross multiply
    104,521.93x = 144,243.38 × 56,778.50
  4. Step 4: Simplify right side
    104,521.93x = 8,189,923,253.88
  5. Step 5: Solve for x
    x = 8,189,923,253.88/104,521.93
  6. Step 6: Final answer
    x = 78,356.03

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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.