Home / 81,365.11-112,284.02-45,556.63

Finding the Fourth Proportional to 81,365.11, 112,284.02 and 45,556.63

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Solution

The fourth proportional to 81,365.11, 112,284.02 and 45,556.63 is: 62,868.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,365.11 : 112,284.02 = 45,556.63 : x
  2. Step 2: Convert to fraction form
    81,365.11/112,284.02 = 45,556.63/x
  3. Step 3: Cross multiply
    81,365.11x = 112,284.02 × 45,556.63
  4. Step 4: Simplify right side
    81,365.11x = 5,115,281,554.05
  5. Step 5: Solve for x
    x = 5,115,281,554.05/81,365.11
  6. Step 6: Final answer
    x = 62,868.24

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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.