Home / 54,457.97-75,148.29-30,586.86

Finding the Fourth Proportional to 54,457.97, 75,148.29 and 30,586.86

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Solution

The fourth proportional to 54,457.97, 75,148.29 and 30,586.86 is: 42,207.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,457.97 : 75,148.29 = 30,586.86 : x
  2. Step 2: Convert to fraction form
    54,457.97/75,148.29 = 30,586.86/x
  3. Step 3: Cross multiply
    54,457.97x = 75,148.29 × 30,586.86
  4. Step 4: Simplify right side
    54,457.97x = 2,298,550,225.47
  5. Step 5: Solve for x
    x = 2,298,550,225.47/54,457.97
  6. Step 6: Final answer
    x = 42,207.79

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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.