Home / 52,740.12-79,165.74-51,550.02

Finding the Fourth Proportional to 52,740.12, 79,165.74 and 51,550.02

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Solution

The fourth proportional to 52,740.12, 79,165.74 and 51,550.02 is: 77,379.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,740.12 : 79,165.74 = 51,550.02 : x
  2. Step 2: Convert to fraction form
    52,740.12/79,165.74 = 51,550.02/x
  3. Step 3: Cross multiply
    52,740.12x = 79,165.74 × 51,550.02
  4. Step 4: Simplify right side
    52,740.12x = 4,080,995,480.31
  5. Step 5: Solve for x
    x = 4,080,995,480.31/52,740.12
  6. Step 6: Final answer
    x = 77,379.34

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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.