Home / 92,118.47-138,169.76-56,085.58

Finding the Fourth Proportional to 92,118.47, 138,169.76 and 56,085.58

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Solution

The fourth proportional to 92,118.47, 138,169.76 and 56,085.58 is: 84,123.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,118.47 : 138,169.76 = 56,085.58 : x
  2. Step 2: Convert to fraction form
    92,118.47/138,169.76 = 56,085.58/x
  3. Step 3: Cross multiply
    92,118.47x = 138,169.76 × 56,085.58
  4. Step 4: Simplify right side
    92,118.47x = 7,749,331,178.09
  5. Step 5: Solve for x
    x = 7,749,331,178.09/92,118.47
  6. Step 6: Final answer
    x = 84,123.54

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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.