Home / 104,083.60-143,634.96-56,337.76

Finding the Fourth Proportional to 104,083.60, 143,634.96 and 56,337.76

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Solution

The fourth proportional to 104,083.60, 143,634.96 and 56,337.76 is: 77,745.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,083.60 : 143,634.96 = 56,337.76 : x
  2. Step 2: Convert to fraction form
    104,083.60/143,634.96 = 56,337.76/x
  3. Step 3: Cross multiply
    104,083.60x = 143,634.96 × 56,337.76
  4. Step 4: Simplify right side
    104,083.60x = 8,092,071,904.09
  5. Step 5: Solve for x
    x = 8,092,071,904.09/104,083.60
  6. Step 6: Final answer
    x = 77,745.89

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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.