Home / 103,601.33-142,982.49-58,281.22

Finding the Fourth Proportional to 103,601.33, 142,982.49 and 58,281.22

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Solution

The fourth proportional to 103,601.33, 142,982.49 and 58,281.22 is: 80,435.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,601.33 : 142,982.49 = 58,281.22 : x
  2. Step 2: Convert to fraction form
    103,601.33/142,982.49 = 58,281.22/x
  3. Step 3: Cross multiply
    103,601.33x = 142,982.49 × 58,281.22
  4. Step 4: Simplify right side
    103,601.33x = 8,333,193,955.84
  5. Step 5: Solve for x
    x = 8,333,193,955.84/103,601.33
  6. Step 6: Final answer
    x = 80,435.20

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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.