Home / 84,594.45-126,893.70-28,436.48

Finding the Fourth Proportional to 84,594.45, 126,893.70 and 28,436.48

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Solution

The fourth proportional to 84,594.45, 126,893.70 and 28,436.48 is: 42,655.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,594.45 : 126,893.70 = 28,436.48 : x
  2. Step 2: Convert to fraction form
    84,594.45/126,893.70 = 28,436.48/x
  3. Step 3: Cross multiply
    84,594.45x = 126,893.70 × 28,436.48
  4. Step 4: Simplify right side
    84,594.45x = 3,608,409,527.71
  5. Step 5: Solve for x
    x = 3,608,409,527.71/84,594.45
  6. Step 6: Final answer
    x = 42,655.39

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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.