Home / 76,421.51-114,632.19-50,120.10

Finding the Fourth Proportional to 76,421.51, 114,632.19 and 50,120.10

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Solution

The fourth proportional to 76,421.51, 114,632.19 and 50,120.10 is: 75,180.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,421.51 : 114,632.19 = 50,120.10 : x
  2. Step 2: Convert to fraction form
    76,421.51/114,632.19 = 50,120.10/x
  3. Step 3: Cross multiply
    76,421.51x = 114,632.19 × 50,120.10
  4. Step 4: Simplify right side
    76,421.51x = 5,745,376,826.02
  5. Step 5: Solve for x
    x = 5,745,376,826.02/76,421.51
  6. Step 6: Final answer
    x = 75,180.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.