Home / 80,638.19-111,283.56-44,342.39

Finding the Fourth Proportional to 80,638.19, 111,283.56 and 44,342.39

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Solution

The fourth proportional to 80,638.19, 111,283.56 and 44,342.39 is: 61,194.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,638.19 : 111,283.56 = 44,342.39 : x
  2. Step 2: Convert to fraction form
    80,638.19/111,283.56 = 44,342.39/x
  3. Step 3: Cross multiply
    80,638.19x = 111,283.56 × 44,342.39
  4. Step 4: Simplify right side
    80,638.19x = 4,934,578,461.69
  5. Step 5: Solve for x
    x = 4,934,578,461.69/80,638.19
  6. Step 6: Final answer
    x = 61,194.07

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1.5x scale

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.