Home / 89,386.56-123,339.68-51,653.52

Finding the Fourth Proportional to 89,386.56, 123,339.68 and 51,653.52

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Solution

The fourth proportional to 89,386.56, 123,339.68 and 51,653.52 is: 71,273.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,386.56 : 123,339.68 = 51,653.52 : x
  2. Step 2: Convert to fraction form
    89,386.56/123,339.68 = 51,653.52/x
  3. Step 3: Cross multiply
    89,386.56x = 123,339.68 × 51,653.52
  4. Step 4: Simplify right side
    89,386.56x = 6,370,928,627.67
  5. Step 5: Solve for x
    x = 6,370,928,627.67/89,386.56
  6. Step 6: Final answer
    x = 71,273.90

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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.