Home / 47,986.31-66,221.18-26,766.93

Finding the Fourth Proportional to 47,986.31, 66,221.18 and 26,766.93

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Solution

The fourth proportional to 47,986.31, 66,221.18 and 26,766.93 is: 36,938.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,986.31 : 66,221.18 = 26,766.93 : x
  2. Step 2: Convert to fraction form
    47,986.31/66,221.18 = 26,766.93/x
  3. Step 3: Cross multiply
    47,986.31x = 66,221.18 × 26,766.93
  4. Step 4: Simplify right side
    47,986.31x = 1,772,537,555.74
  5. Step 5: Solve for x
    x = 1,772,537,555.74/47,986.31
  6. Step 6: Final answer
    x = 36,938.40

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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.