Home / 89,538.62-123,572.36-51,303.24

Finding the Fourth Proportional to 89,538.62, 123,572.36 and 51,303.24

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Solution

The fourth proportional to 89,538.62, 123,572.36 and 51,303.24 is: 70,803.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,538.62 : 123,572.36 = 51,303.24 : x
  2. Step 2: Convert to fraction form
    89,538.62/123,572.36 = 51,303.24/x
  3. Step 3: Cross multiply
    89,538.62x = 123,572.36 × 51,303.24
  4. Step 4: Simplify right side
    89,538.62x = 6,339,662,185.93
  5. Step 5: Solve for x
    x = 6,339,662,185.93/89,538.62
  6. Step 6: Final answer
    x = 70,803.66

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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.