Home / 124,613.92-171,971.28-68,029.60

Finding the Fourth Proportional to 124,613.92, 171,971.28 and 68,029.60

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Solution

The fourth proportional to 124,613.92, 171,971.28 and 68,029.60 is: 93,883.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,613.92 : 171,971.28 = 68,029.60 : x
  2. Step 2: Convert to fraction form
    124,613.92/171,971.28 = 68,029.60/x
  3. Step 3: Cross multiply
    124,613.92x = 171,971.28 × 68,029.60
  4. Step 4: Simplify right side
    124,613.92x = 11,699,137,389.89
  5. Step 5: Solve for x
    x = 11,699,137,389.89/124,613.92
  6. Step 6: Final answer
    x = 93,883.07

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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.