Home / 47,870.64-66,064.10-26,649.44

Finding the Fourth Proportional to 47,870.64, 66,064.10 and 26,649.44

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Solution

The fourth proportional to 47,870.64, 66,064.10 and 26,649.44 is: 36,777.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,870.64 : 66,064.10 = 26,649.44 : x
  2. Step 2: Convert to fraction form
    47,870.64/66,064.10 = 26,649.44/x
  3. Step 3: Cross multiply
    47,870.64x = 66,064.10 × 26,649.44
  4. Step 4: Simplify right side
    47,870.64x = 1,760,571,269.10
  5. Step 5: Solve for x
    x = 1,760,571,269.10/47,870.64
  6. Step 6: Final answer
    x = 36,777.68

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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.