Home / 90,390.23-124,736.53-50,103.64

Finding the Fourth Proportional to 90,390.23, 124,736.53 and 50,103.64

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Solution

The fourth proportional to 90,390.23, 124,736.53 and 50,103.64 is: 69,141.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,390.23 : 124,736.53 = 50,103.64 : x
  2. Step 2: Convert to fraction form
    90,390.23/124,736.53 = 50,103.64/x
  3. Step 3: Cross multiply
    90,390.23x = 124,736.53 × 50,103.64
  4. Step 4: Simplify right side
    90,390.23x = 6,249,754,108.67
  5. Step 5: Solve for x
    x = 6,249,754,108.67/90,390.23
  6. Step 6: Final answer
    x = 69,141.92

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.