Home / 104,633.28-144,390.96-56,885.52

Finding the Fourth Proportional to 104,633.28, 144,390.96 and 56,885.52

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Solution

The fourth proportional to 104,633.28, 144,390.96 and 56,885.52 is: 78,500.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,633.28 : 144,390.96 = 56,885.52 : x
  2. Step 2: Convert to fraction form
    104,633.28/144,390.96 = 56,885.52/x
  3. Step 3: Cross multiply
    104,633.28x = 144,390.96 × 56,885.52
  4. Step 4: Simplify right side
    104,633.28x = 8,213,754,842.90
  5. Step 5: Solve for x
    x = 8,213,754,842.90/104,633.28
  6. Step 6: Final answer
    x = 78,500.40

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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.