Home / 47,381.31-65,386.35-26,160.66

Finding the Fourth Proportional to 47,381.31, 65,386.35 and 26,160.66

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Solution

The fourth proportional to 47,381.31, 65,386.35 and 26,160.66 is: 36,101.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,381.31 : 65,386.35 = 26,160.66 : x
  2. Step 2: Convert to fraction form
    47,381.31/65,386.35 = 26,160.66/x
  3. Step 3: Cross multiply
    47,381.31x = 65,386.35 × 26,160.66
  4. Step 4: Simplify right side
    47,381.31x = 1,710,550,070.99
  5. Step 5: Solve for x
    x = 1,710,550,070.99/47,381.31
  6. Step 6: Final answer
    x = 36,101.79

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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.