Home / 89,574.30-123,630.21-51,359.52

Finding the Fourth Proportional to 89,574.30, 123,630.21 and 51,359.52

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Solution

The fourth proportional to 89,574.30, 123,630.21 and 51,359.52 is: 70,886.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,574.30 : 123,630.21 = 51,359.52 : x
  2. Step 2: Convert to fraction form
    89,574.30/123,630.21 = 51,359.52/x
  3. Step 3: Cross multiply
    89,574.30x = 123,630.21 × 51,359.52
  4. Step 4: Simplify right side
    89,574.30x = 6,349,588,243.10
  5. Step 5: Solve for x
    x = 6,349,588,243.10/89,574.30
  6. Step 6: Final answer
    x = 70,886.27

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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.