Home / 83,023.60-114,537.90-54,350.28

Finding the Fourth Proportional to 83,023.60, 114,537.90 and 54,350.28

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Solution

The fourth proportional to 83,023.60, 114,537.90 and 54,350.28 is: 74,980.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,023.60 : 114,537.90 = 54,350.28 : x
  2. Step 2: Convert to fraction form
    83,023.60/114,537.90 = 54,350.28/x
  3. Step 3: Cross multiply
    83,023.60x = 114,537.90 × 54,350.28
  4. Step 4: Simplify right side
    83,023.60x = 6,225,166,935.61
  5. Step 5: Solve for x
    x = 6,225,166,935.61/83,023.60
  6. Step 6: Final answer
    x = 74,980.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.