Home / 102,431.69-153,647.53-32,316.47

Finding the Fourth Proportional to 102,431.69, 153,647.53 and 32,316.47

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Solution

The fourth proportional to 102,431.69, 153,647.53 and 32,316.47 is: 48,474.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,431.69 : 153,647.53 = 32,316.47 : x
  2. Step 2: Convert to fraction form
    102,431.69/153,647.53 = 32,316.47/x
  3. Step 3: Cross multiply
    102,431.69x = 153,647.53 × 32,316.47
  4. Step 4: Simplify right side
    102,431.69x = 4,965,345,702.75
  5. Step 5: Solve for x
    x = 4,965,345,702.75/102,431.69
  6. Step 6: Final answer
    x = 48,474.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.