Home / 81,364.77-112,270.46-45,556.29

Finding the Fourth Proportional to 81,364.77, 112,270.46 and 45,556.29

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Solution

The fourth proportional to 81,364.77, 112,270.46 and 45,556.29 is: 62,860.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,364.77 : 112,270.46 = 45,556.29 : x
  2. Step 2: Convert to fraction form
    81,364.77/112,270.46 = 45,556.29/x
  3. Step 3: Cross multiply
    81,364.77x = 112,270.46 × 45,556.29
  4. Step 4: Simplify right side
    81,364.77x = 5,114,625,406.41
  5. Step 5: Solve for x
    x = 5,114,625,406.41/81,364.77
  6. Step 6: Final answer
    x = 62,860.44

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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.