Home / 104,559.38-144,292.53-56,813.12

Finding the Fourth Proportional to 104,559.38, 144,292.53 and 56,813.12

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Solution

The fourth proportional to 104,559.38, 144,292.53 and 56,813.12 is: 78,402.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,559.38 : 144,292.53 = 56,813.12 : x
  2. Step 2: Convert to fraction form
    104,559.38/144,292.53 = 56,813.12/x
  3. Step 3: Cross multiply
    104,559.38x = 144,292.53 × 56,813.12
  4. Step 4: Simplify right side
    104,559.38x = 8,197,708,821.99
  5. Step 5: Solve for x
    x = 8,197,708,821.99/104,559.38
  6. Step 6: Final answer
    x = 78,402.42

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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.