Home / 85,032.30-127,548.45-51,206.70

Finding the Fourth Proportional to 85,032.30, 127,548.45 and 51,206.70

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Solution

The fourth proportional to 85,032.30, 127,548.45 and 51,206.70 is: 76,810.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,032.30 : 127,548.45 = 51,206.70 : x
  2. Step 2: Convert to fraction form
    85,032.30/127,548.45 = 51,206.70/x
  3. Step 3: Cross multiply
    85,032.30x = 127,548.45 × 51,206.70
  4. Step 4: Simplify right side
    85,032.30x = 6,531,335,214.62
  5. Step 5: Solve for x
    x = 6,531,335,214.62/85,032.30
  6. Step 6: Final answer
    x = 76,810.05

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.