Home / 83,890.89-125,799.28-44,438.63

Finding the Fourth Proportional to 83,890.89, 125,799.28 and 44,438.63

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Solution

The fourth proportional to 83,890.89, 125,799.28 and 44,438.63 is: 66,638.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,890.89 : 125,799.28 = 44,438.63 : x
  2. Step 2: Convert to fraction form
    83,890.89/125,799.28 = 44,438.63/x
  3. Step 3: Cross multiply
    83,890.89x = 125,799.28 × 44,438.63
  4. Step 4: Simplify right side
    83,890.89x = 5,590,346,918.09
  5. Step 5: Solve for x
    x = 5,590,346,918.09/83,890.89
  6. Step 6: Final answer
    x = 66,638.31

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1.5x scale

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.