Home / 92,938.39-139,913.33-84,671.53

Finding the Fourth Proportional to 92,938.39, 139,913.33 and 84,671.53

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Solution

The fourth proportional to 92,938.39, 139,913.33 and 84,671.53 is: 127,468.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,938.39 : 139,913.33 = 84,671.53 : x
  2. Step 2: Convert to fraction form
    92,938.39/139,913.33 = 84,671.53/x
  3. Step 3: Cross multiply
    92,938.39x = 139,913.33 × 84,671.53
  4. Step 4: Simplify right side
    92,938.39x = 11,846,674,945.35
  5. Step 5: Solve for x
    x = 11,846,674,945.35/92,938.39
  6. Step 6: Final answer
    x = 127,468.05

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.