Home / 81,925.64-122,691.60-46,758.68

Finding the Fourth Proportional to 81,925.64, 122,691.60 and 46,758.68

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Solution

The fourth proportional to 81,925.64, 122,691.60 and 46,758.68 is: 70,025.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,925.64 : 122,691.60 = 46,758.68 : x
  2. Step 2: Convert to fraction form
    81,925.64/122,691.60 = 46,758.68/x
  3. Step 3: Cross multiply
    81,925.64x = 122,691.60 × 46,758.68
  4. Step 4: Simplify right side
    81,925.64x = 5,736,897,263.09
  5. Step 5: Solve for x
    x = 5,736,897,263.09/81,925.64
  6. Step 6: Final answer
    x = 70,025.66

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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.