Home / 48,135.89-72,143.63-23,169.26

Finding the Fourth Proportional to 48,135.89, 72,143.63 and 23,169.26

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Solution

The fourth proportional to 48,135.89, 72,143.63 and 23,169.26 is: 34,724.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,135.89 : 72,143.63 = 23,169.26 : x
  2. Step 2: Convert to fraction form
    48,135.89/72,143.63 = 23,169.26/x
  3. Step 3: Cross multiply
    48,135.89x = 72,143.63 × 23,169.26
  4. Step 4: Simplify right side
    48,135.89x = 1,671,514,404.97
  5. Step 5: Solve for x
    x = 1,671,514,404.97/48,135.89
  6. Step 6: Final answer
    x = 34,724.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.