Home / 81,170.22-112,014.72-45,360.24

Finding the Fourth Proportional to 81,170.22, 112,014.72 and 45,360.24

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Solution

The fourth proportional to 81,170.22, 112,014.72 and 45,360.24 is: 62,597.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,170.22 : 112,014.72 = 45,360.24 : x
  2. Step 2: Convert to fraction form
    81,170.22/112,014.72 = 45,360.24/x
  3. Step 3: Cross multiply
    81,170.22x = 112,014.72 × 45,360.24
  4. Step 4: Simplify right side
    81,170.22x = 5,081,014,582.73
  5. Step 5: Solve for x
    x = 5,081,014,582.73/81,170.22
  6. Step 6: Final answer
    x = 62,597.03

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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.