Home / 92,921.27-139,037.45-55,501.70

Finding the Fourth Proportional to 92,921.27, 139,037.45 and 55,501.70

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Solution

The fourth proportional to 92,921.27, 139,037.45 and 55,501.70 is: 83,046.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,921.27 : 139,037.45 = 55,501.70 : x
  2. Step 2: Convert to fraction form
    92,921.27/139,037.45 = 55,501.70/x
  3. Step 3: Cross multiply
    92,921.27x = 139,037.45 × 55,501.70
  4. Step 4: Simplify right side
    92,921.27x = 7,716,814,838.67
  5. Step 5: Solve for x
    x = 7,716,814,838.67/92,921.27
  6. Step 6: Final answer
    x = 83,046.81

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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.