Home / 51,855.12-77,688.72-23,798.64

Finding the Fourth Proportional to 51,855.12, 77,688.72 and 23,798.64

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Solution

The fourth proportional to 51,855.12, 77,688.72 and 23,798.64 is: 35,654.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,855.12 : 77,688.72 = 23,798.64 : x
  2. Step 2: Convert to fraction form
    51,855.12/77,688.72 = 23,798.64/x
  3. Step 3: Cross multiply
    51,855.12x = 77,688.72 × 23,798.64
  4. Step 4: Simplify right side
    51,855.12x = 1,848,885,879.34
  5. Step 5: Solve for x
    x = 1,848,885,879.34/51,855.12
  6. Step 6: Final answer
    x = 35,654.84

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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.