Home / 73,055.43-109,586.27-28,691.80

Finding the Fourth Proportional to 73,055.43, 109,586.27 and 28,691.80

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Solution

The fourth proportional to 73,055.43, 109,586.27 and 28,691.80 is: 43,038.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,055.43 : 109,586.27 = 28,691.80 : x
  2. Step 2: Convert to fraction form
    73,055.43/109,586.27 = 28,691.80/x
  3. Step 3: Cross multiply
    73,055.43x = 109,586.27 × 28,691.80
  4. Step 4: Simplify right side
    73,055.43x = 3,144,227,341.59
  5. Step 5: Solve for x
    x = 3,144,227,341.59/73,055.43
  6. Step 6: Final answer
    x = 43,038.93

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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.