Home / 55,079.12-76,009.64-29,928.62

Finding the Fourth Proportional to 55,079.12, 76,009.64 and 29,928.62

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Solution

The fourth proportional to 55,079.12, 76,009.64 and 29,928.62 is: 41,301.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,079.12 : 76,009.64 = 29,928.62 : x
  2. Step 2: Convert to fraction form
    55,079.12/76,009.64 = 29,928.62/x
  3. Step 3: Cross multiply
    55,079.12x = 76,009.64 × 29,928.62
  4. Step 4: Simplify right side
    55,079.12x = 2,274,863,102.21
  5. Step 5: Solve for x
    x = 2,274,863,102.21/55,079.12
  6. Step 6: Final answer
    x = 41,301.74

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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.