Home / 47,871.58-66,061.26-26,649.78

Finding the Fourth Proportional to 47,871.58, 66,061.26 and 26,649.78

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Solution

The fourth proportional to 47,871.58, 66,061.26 and 26,649.78 is: 36,775.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,871.58 : 66,061.26 = 26,649.78 : x
  2. Step 2: Convert to fraction form
    47,871.58/66,061.26 = 26,649.78/x
  3. Step 3: Cross multiply
    47,871.58x = 66,061.26 × 26,649.78
  4. Step 4: Simplify right side
    47,871.58x = 1,760,518,045.52
  5. Step 5: Solve for x
    x = 1,760,518,045.52/47,871.58
  6. Step 6: Final answer
    x = 36,775.85

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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.