Home / 98,023.96-135,303.90-55,610.68

Finding the Fourth Proportional to 98,023.96, 135,303.90 and 55,610.68

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Solution

The fourth proportional to 98,023.96, 135,303.90 and 55,610.68 is: 76,760.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,023.96 : 135,303.90 = 55,610.68 : x
  2. Step 2: Convert to fraction form
    98,023.96/135,303.90 = 55,610.68/x
  3. Step 3: Cross multiply
    98,023.96x = 135,303.90 × 55,610.68
  4. Step 4: Simplify right side
    98,023.96x = 7,524,341,885.65
  5. Step 5: Solve for x
    x = 7,524,341,885.65/98,023.96
  6. Step 6: Final answer
    x = 76,760.23

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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.