Home / 55,079.24-76,009.38-29,928.68

Finding the Fourth Proportional to 55,079.24, 76,009.38 and 29,928.68

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Solution

The fourth proportional to 55,079.24, 76,009.38 and 29,928.68 is: 41,301.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,079.24 : 76,009.38 = 29,928.68 : x
  2. Step 2: Convert to fraction form
    55,079.24/76,009.38 = 29,928.68/x
  3. Step 3: Cross multiply
    55,079.24x = 76,009.38 × 29,928.68
  4. Step 4: Simplify right side
    55,079.24x = 2,274,860,411.02
  5. Step 5: Solve for x
    x = 2,274,860,411.02/55,079.24
  6. Step 6: Final answer
    x = 41,301.59

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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.