Home / 123,550.52-170,500.56-66,962.84

Finding the Fourth Proportional to 123,550.52, 170,500.56 and 66,962.84

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Solution

The fourth proportional to 123,550.52, 170,500.56 and 66,962.84 is: 92,409.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,550.52 : 170,500.56 = 66,962.84 : x
  2. Step 2: Convert to fraction form
    123,550.52/170,500.56 = 66,962.84/x
  3. Step 3: Cross multiply
    123,550.52x = 170,500.56 × 66,962.84
  4. Step 4: Simplify right side
    123,550.52x = 11,417,201,719.19
  5. Step 5: Solve for x
    x = 11,417,201,719.19/123,550.52
  6. Step 6: Final answer
    x = 92,409.18

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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.