Home / 129,070.56-193,628.40-58,956.96

Finding the Fourth Proportional to 129,070.56, 193,628.40 and 58,956.96

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Solution

The fourth proportional to 129,070.56, 193,628.40 and 58,956.96 is: 88,445.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,070.56 : 193,628.40 = 58,956.96 : x
  2. Step 2: Convert to fraction form
    129,070.56/193,628.40 = 58,956.96/x
  3. Step 3: Cross multiply
    129,070.56x = 193,628.40 × 58,956.96
  4. Step 4: Simplify right side
    129,070.56x = 11,415,741,833.66
  5. Step 5: Solve for x
    x = 11,415,741,833.66/129,070.56
  6. Step 6: Final answer
    x = 88,445.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.