Home / 74,883.11-112,357.48-39,336.18

Finding the Fourth Proportional to 74,883.11, 112,357.48 and 39,336.18

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Solution

The fourth proportional to 74,883.11, 112,357.48 and 39,336.18 is: 59,021.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,883.11 : 112,357.48 = 39,336.18 : x
  2. Step 2: Convert to fraction form
    74,883.11/112,357.48 = 39,336.18/x
  3. Step 3: Cross multiply
    74,883.11x = 112,357.48 × 39,336.18
  4. Step 4: Simplify right side
    74,883.11x = 4,419,713,959.29
  5. Step 5: Solve for x
    x = 4,419,713,959.29/74,883.11
  6. Step 6: Final answer
    x = 59,021.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.