Home / 112,640.33-155,443.10-60,957.39

Finding the Fourth Proportional to 112,640.33, 155,443.10 and 60,957.39

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Solution

The fourth proportional to 112,640.33, 155,443.10 and 60,957.39 is: 84,120.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,640.33 : 155,443.10 = 60,957.39 : x
  2. Step 2: Convert to fraction form
    112,640.33/155,443.10 = 60,957.39/x
  3. Step 3: Cross multiply
    112,640.33x = 155,443.10 × 60,957.39
  4. Step 4: Simplify right side
    112,640.33x = 9,475,405,947.63
  5. Step 5: Solve for x
    x = 9,475,405,947.63/112,640.33
  6. Step 6: Final answer
    x = 84,120.90

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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.