Home / 81,226.76-112,047.91-47,231.51

Finding the Fourth Proportional to 81,226.76, 112,047.91 and 47,231.51

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Solution

The fourth proportional to 81,226.76, 112,047.91 and 47,231.51 is: 65,153.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,226.76 : 112,047.91 = 47,231.51 : x
  2. Step 2: Convert to fraction form
    81,226.76/112,047.91 = 47,231.51/x
  3. Step 3: Cross multiply
    81,226.76x = 112,047.91 × 47,231.51
  4. Step 4: Simplify right side
    81,226.76x = 5,292,191,303.33
  5. Step 5: Solve for x
    x = 5,292,191,303.33/81,226.76
  6. Step 6: Final answer
    x = 65,153.30

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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.