Home / 88,909.36-122,710.10-51,205.48

Finding the Fourth Proportional to 88,909.36, 122,710.10 and 51,205.48

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Solution

The fourth proportional to 88,909.36, 122,710.10 and 51,205.48 is: 70,672.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,909.36 : 122,710.10 = 51,205.48 : x
  2. Step 2: Convert to fraction form
    88,909.36/122,710.10 = 51,205.48/x
  3. Step 3: Cross multiply
    88,909.36x = 122,710.10 × 51,205.48
  4. Step 4: Simplify right side
    88,909.36x = 6,283,429,571.35
  5. Step 5: Solve for x
    x = 6,283,429,571.35/88,909.36
  6. Step 6: Final answer
    x = 70,672.31

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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.