Home / 81,325.74-112,230.08-45,519.07

Finding the Fourth Proportional to 81,325.74, 112,230.08 and 45,519.07

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Solution

The fourth proportional to 81,325.74, 112,230.08 and 45,519.07 is: 62,816.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,325.74 : 112,230.08 = 45,519.07 : x
  2. Step 2: Convert to fraction form
    81,325.74/112,230.08 = 45,519.07/x
  3. Step 3: Cross multiply
    81,325.74x = 112,230.08 × 45,519.07
  4. Step 4: Simplify right side
    81,325.74x = 5,108,608,867.63
  5. Step 5: Solve for x
    x = 5,108,608,867.63/81,325.74
  6. Step 6: Final answer
    x = 62,816.63

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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.