Home / 92,954.04-128,295.20-55,221

Finding the Fourth Proportional to 92,954.04, 128,295.20 and 55,221

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Solution

The fourth proportional to 92,954.04, 128,295.20 and 55,221 is: 76,216.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,954.04 : 128,295.20 = 55,221 : x
  2. Step 2: Convert to fraction form
    92,954.04/128,295.20 = 55,221/x
  3. Step 3: Cross multiply
    92,954.04x = 128,295.20 × 55,221
  4. Step 4: Simplify right side
    92,954.04x = 7,084,589,239.20
  5. Step 5: Solve for x
    x = 7,084,589,239.20/92,954.04
  6. Step 6: Final answer
    x = 76,216.04

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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.