Home / 55,938.60-84,214.08-51,039.72

Finding the Fourth Proportional to 55,938.60, 84,214.08 and 51,039.72

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Solution

The fourth proportional to 55,938.60, 84,214.08 and 51,039.72 is: 76,838.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,938.60 : 84,214.08 = 51,039.72 : x
  2. Step 2: Convert to fraction form
    55,938.60/84,214.08 = 51,039.72/x
  3. Step 3: Cross multiply
    55,938.60x = 84,214.08 × 51,039.72
  4. Step 4: Simplify right side
    55,938.60x = 4,298,263,063.26
  5. Step 5: Solve for x
    x = 4,298,263,063.26/55,938.60
  6. Step 6: Final answer
    x = 76,838.95

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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.