Home / 92,171.27-127,205.94-56,385.11

Finding the Fourth Proportional to 92,171.27, 127,205.94 and 56,385.11

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Solution

The fourth proportional to 92,171.27, 127,205.94 and 56,385.11 is: 77,817.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,171.27 : 127,205.94 = 56,385.11 : x
  2. Step 2: Convert to fraction form
    92,171.27/127,205.94 = 56,385.11/x
  3. Step 3: Cross multiply
    92,171.27x = 127,205.94 × 56,385.11
  4. Step 4: Simplify right side
    92,171.27x = 7,172,521,449.01
  5. Step 5: Solve for x
    x = 7,172,521,449.01/92,171.27
  6. Step 6: Final answer
    x = 77,817.33

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1.5x scale

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.