Home / 81,475.03-112,433.58-45,176.29

Finding the Fourth Proportional to 81,475.03, 112,433.58 and 45,176.29

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Solution

The fourth proportional to 81,475.03, 112,433.58 and 45,176.29 is: 62,342.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,475.03 : 112,433.58 = 45,176.29 : x
  2. Step 2: Convert to fraction form
    81,475.03/112,433.58 = 45,176.29/x
  3. Step 3: Cross multiply
    81,475.03x = 112,433.58 × 45,176.29
  4. Step 4: Simplify right side
    81,475.03x = 5,079,332,015.82
  5. Step 5: Solve for x
    x = 5,079,332,015.82/81,475.03
  6. Step 6: Final answer
    x = 62,342.19

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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.