Home / 81,760.96-112,829.64-45,950.66

Finding the Fourth Proportional to 81,760.96, 112,829.64 and 45,950.66

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Solution

The fourth proportional to 81,760.96, 112,829.64 and 45,950.66 is: 63,411.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,760.96 : 112,829.64 = 45,950.66 : x
  2. Step 2: Convert to fraction form
    81,760.96/112,829.64 = 45,950.66/x
  3. Step 3: Cross multiply
    81,760.96x = 112,829.64 × 45,950.66
  4. Step 4: Simplify right side
    81,760.96x = 5,184,596,425.56
  5. Step 5: Solve for x
    x = 5,184,596,425.56/81,760.96
  6. Step 6: Final answer
    x = 63,411.64

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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.