Home / 51,326.45-70,879.40-48,531.03

Finding the Fourth Proportional to 51,326.45, 70,879.40 and 48,531.03

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Solution

The fourth proportional to 51,326.45, 70,879.40 and 48,531.03 is: 67,019.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,326.45 : 70,879.40 = 48,531.03 : x
  2. Step 2: Convert to fraction form
    51,326.45/70,879.40 = 48,531.03/x
  3. Step 3: Cross multiply
    51,326.45x = 70,879.40 × 48,531.03
  4. Step 4: Simplify right side
    51,326.45x = 3,439,850,045.13
  5. Step 5: Solve for x
    x = 3,439,850,045.13/51,326.45
  6. Step 6: Final answer
    x = 67,019.06

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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.