Home / 75,457.76-104,125.59-43,628.72

Finding the Fourth Proportional to 75,457.76, 104,125.59 and 43,628.72

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Solution

The fourth proportional to 75,457.76, 104,125.59 and 43,628.72 is: 60,204.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,457.76 : 104,125.59 = 43,628.72 : x
  2. Step 2: Convert to fraction form
    75,457.76/104,125.59 = 43,628.72/x
  3. Step 3: Cross multiply
    75,457.76x = 104,125.59 × 43,628.72
  4. Step 4: Simplify right side
    75,457.76x = 4,542,865,690.32
  5. Step 5: Solve for x
    x = 4,542,865,690.32/75,457.76
  6. Step 6: Final answer
    x = 60,204.09

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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.