Home / 104,561.27-144,291.34-56,813.60

Finding the Fourth Proportional to 104,561.27, 144,291.34 and 56,813.60

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Solution

The fourth proportional to 104,561.27, 144,291.34 and 56,813.60 is: 78,401.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,561.27 : 144,291.34 = 56,813.60 : x
  2. Step 2: Convert to fraction form
    104,561.27/144,291.34 = 56,813.60/x
  3. Step 3: Cross multiply
    104,561.27x = 144,291.34 × 56,813.60
  4. Step 4: Simplify right side
    104,561.27x = 8,197,710,474.22
  5. Step 5: Solve for x
    x = 8,197,710,474.22/104,561.27
  6. Step 6: Final answer
    x = 78,401.02

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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.