Home / 92,006.06-137,833.11-77,108.49

Finding the Fourth Proportional to 92,006.06, 137,833.11 and 77,108.49

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Solution

The fourth proportional to 92,006.06, 137,833.11 and 77,108.49 is: 115,515.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,006.06 : 137,833.11 = 77,108.49 : x
  2. Step 2: Convert to fraction form
    92,006.06/137,833.11 = 77,108.49/x
  3. Step 3: Cross multiply
    92,006.06x = 137,833.11 × 77,108.49
  4. Step 4: Simplify right side
    92,006.06x = 10,628,102,984.10
  5. Step 5: Solve for x
    x = 10,628,102,984.10/92,006.06
  6. Step 6: Final answer
    x = 115,515.26

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1.5x scale

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.