Home / 92,964.24-128,291.04-55,237.68

Finding the Fourth Proportional to 92,964.24, 128,291.04 and 55,237.68

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Solution

The fourth proportional to 92,964.24, 128,291.04 and 55,237.68 is: 76,228.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,964.24 : 128,291.04 = 55,237.68 : x
  2. Step 2: Convert to fraction form
    92,964.24/128,291.04 = 55,237.68/x
  3. Step 3: Cross multiply
    92,964.24x = 128,291.04 × 55,237.68
  4. Step 4: Simplify right side
    92,964.24x = 7,086,499,414.39
  5. Step 5: Solve for x
    x = 7,086,499,414.39/92,964.24
  6. Step 6: Final answer
    x = 76,228.23

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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.