Home / 104,524.79-144,243.51-56,777.72

Finding the Fourth Proportional to 104,524.79, 144,243.51 and 56,777.72

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Solution

The fourth proportional to 104,524.79, 144,243.51 and 56,777.72 is: 78,352.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,524.79 : 144,243.51 = 56,777.72 : x
  2. Step 2: Convert to fraction form
    104,524.79/144,243.51 = 56,777.72/x
  3. Step 3: Cross multiply
    104,524.79x = 144,243.51 × 56,777.72
  4. Step 4: Simplify right side
    104,524.79x = 8,189,816,901.38
  5. Step 5: Solve for x
    x = 8,189,816,901.38/104,524.79
  6. Step 6: Final answer
    x = 78,352.87

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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.