Home / 102,893.82-153,919.68-77,746.94

Finding the Fourth Proportional to 102,893.82, 153,919.68 and 77,746.94

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Solution

The fourth proportional to 102,893.82, 153,919.68 and 77,746.94 is: 116,302.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,893.82 : 153,919.68 = 77,746.94 : x
  2. Step 2: Convert to fraction form
    102,893.82/153,919.68 = 77,746.94/x
  3. Step 3: Cross multiply
    102,893.82x = 153,919.68 × 77,746.94
  4. Step 4: Simplify right side
    102,893.82x = 11,966,784,125.78
  5. Step 5: Solve for x
    x = 11,966,784,125.78/102,893.82
  6. Step 6: Final answer
    x = 116,302.26

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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.