Home / 72,633.21-100,224.48-42,396.66

Finding the Fourth Proportional to 72,633.21, 100,224.48 and 42,396.66

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Solution

The fourth proportional to 72,633.21, 100,224.48 and 42,396.66 is: 58,501.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,633.21 : 100,224.48 = 42,396.66 : x
  2. Step 2: Convert to fraction form
    72,633.21/100,224.48 = 42,396.66/x
  3. Step 3: Cross multiply
    72,633.21x = 100,224.48 × 42,396.66
  4. Step 4: Simplify right side
    72,633.21x = 4,249,183,202.24
  5. Step 5: Solve for x
    x = 4,249,183,202.24/72,633.21
  6. Step 6: Final answer
    x = 58,501.93

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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.