Home / 92,511.08-127,578.62-61,411.30

Finding the Fourth Proportional to 92,511.08, 127,578.62 and 61,411.30

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Solution

The fourth proportional to 92,511.08, 127,578.62 and 61,411.30 is: 84,690.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,511.08 : 127,578.62 = 61,411.30 : x
  2. Step 2: Convert to fraction form
    92,511.08/127,578.62 = 61,411.30/x
  3. Step 3: Cross multiply
    92,511.08x = 127,578.62 × 61,411.30
  4. Step 4: Simplify right side
    92,511.08x = 7,834,768,906.41
  5. Step 5: Solve for x
    x = 7,834,768,906.41/92,511.08
  6. Step 6: Final answer
    x = 84,690.06

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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.