Home / 123,829.48-170,884.92-67,240.86

Finding the Fourth Proportional to 123,829.48, 170,884.92 and 67,240.86

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Solution

The fourth proportional to 123,829.48, 170,884.92 and 67,240.86 is: 92,792.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,829.48 : 170,884.92 = 67,240.86 : x
  2. Step 2: Convert to fraction form
    123,829.48/170,884.92 = 67,240.86/x
  3. Step 3: Cross multiply
    123,829.48x = 170,884.92 × 67,240.86
  4. Step 4: Simplify right side
    123,829.48x = 11,490,448,981.83
  5. Step 5: Solve for x
    x = 11,490,448,981.83/123,829.48
  6. Step 6: Final answer
    x = 92,792.52

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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.