Home / 81,174.55-112,023.29-45,364.66

Finding the Fourth Proportional to 81,174.55, 112,023.29 and 45,364.66

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Solution

The fourth proportional to 81,174.55, 112,023.29 and 45,364.66 is: 62,604.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,174.55 : 112,023.29 = 45,364.66 : x
  2. Step 2: Convert to fraction form
    81,174.55/112,023.29 = 45,364.66/x
  3. Step 3: Cross multiply
    81,174.55x = 112,023.29 × 45,364.66
  4. Step 4: Simplify right side
    81,174.55x = 5,081,898,462.93
  5. Step 5: Solve for x
    x = 5,081,898,462.93/81,174.55
  6. Step 6: Final answer
    x = 62,604.58

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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.