Home / 92,698.11-139,060.49-28,661.25

Finding the Fourth Proportional to 92,698.11, 139,060.49 and 28,661.25

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Solution

The fourth proportional to 92,698.11, 139,060.49 and 28,661.25 is: 42,995.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,698.11 : 139,060.49 = 28,661.25 : x
  2. Step 2: Convert to fraction form
    92,698.11/139,060.49 = 28,661.25/x
  3. Step 3: Cross multiply
    92,698.11x = 139,060.49 × 28,661.25
  4. Step 4: Simplify right side
    92,698.11x = 3,985,646,768.77
  5. Step 5: Solve for x
    x = 3,985,646,768.77/92,698.11
  6. Step 6: Final answer
    x = 42,995.99

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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.