Home / 55,624.14-76,760.87-30,129.93

Finding the Fourth Proportional to 55,624.14, 76,760.87 and 30,129.93

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Solution

The fourth proportional to 55,624.14, 76,760.87 and 30,129.93 is: 41,579.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,624.14 : 76,760.87 = 30,129.93 : x
  2. Step 2: Convert to fraction form
    55,624.14/76,760.87 = 30,129.93/x
  3. Step 3: Cross multiply
    55,624.14x = 76,760.87 × 30,129.93
  4. Step 4: Simplify right side
    55,624.14x = 2,312,799,489.19
  5. Step 5: Solve for x
    x = 2,312,799,489.19/55,624.14
  6. Step 6: Final answer
    x = 41,579.06

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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.