Home / 123,650.08-170,637.60-67,062.40

Finding the Fourth Proportional to 123,650.08, 170,637.60 and 67,062.40

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Solution

The fourth proportional to 123,650.08, 170,637.60 and 67,062.40 is: 92,546.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,650.08 : 170,637.60 = 67,062.40 : x
  2. Step 2: Convert to fraction form
    123,650.08/170,637.60 = 67,062.40/x
  3. Step 3: Cross multiply
    123,650.08x = 170,637.60 × 67,062.40
  4. Step 4: Simplify right side
    123,650.08x = 11,443,366,986.24
  5. Step 5: Solve for x
    x = 11,443,366,986.24/123,650.08
  6. Step 6: Final answer
    x = 92,546.38

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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.