Home / 51,555.72-77,321.48-29,076.12

Finding the Fourth Proportional to 51,555.72, 77,321.48 and 29,076.12

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Solution

The fourth proportional to 51,555.72, 77,321.48 and 29,076.12 is: 43,607.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,555.72 : 77,321.48 = 29,076.12 : x
  2. Step 2: Convert to fraction form
    51,555.72/77,321.48 = 29,076.12/x
  3. Step 3: Cross multiply
    51,555.72x = 77,321.48 × 29,076.12
  4. Step 4: Simplify right side
    51,555.72x = 2,248,208,631.06
  5. Step 5: Solve for x
    x = 2,248,208,631.06/51,555.72
  6. Step 6: Final answer
    x = 43,607.36

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1.5x scale

Why These Related Problems?

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