Home / 89,742.63-123,842.98-49,455.36

Finding the Fourth Proportional to 89,742.63, 123,842.98 and 49,455.36

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Solution

The fourth proportional to 89,742.63, 123,842.98 and 49,455.36 is: 68,247.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,742.63 : 123,842.98 = 49,455.36 : x
  2. Step 2: Convert to fraction form
    89,742.63/123,842.98 = 49,455.36/x
  3. Step 3: Cross multiply
    89,742.63x = 123,842.98 × 49,455.36
  4. Step 4: Simplify right side
    89,742.63x = 6,124,698,943.01
  5. Step 5: Solve for x
    x = 6,124,698,943.01/89,742.63
  6. Step 6: Final answer
    x = 68,247.37

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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.