Home / 77,837.52-116,800.68-30,456.47

Finding the Fourth Proportional to 77,837.52, 116,800.68 and 30,456.47

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Solution

The fourth proportional to 77,837.52, 116,800.68 and 30,456.47 is: 45,702.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,837.52 : 116,800.68 = 30,456.47 : x
  2. Step 2: Convert to fraction form
    77,837.52/116,800.68 = 30,456.47/x
  3. Step 3: Cross multiply
    77,837.52x = 116,800.68 × 30,456.47
  4. Step 4: Simplify right side
    77,837.52x = 3,557,336,812.61
  5. Step 5: Solve for x
    x = 3,557,336,812.61/77,837.52
  6. Step 6: Final answer
    x = 45,702.08

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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.