Home / 74,043.27-102,073.43-52,785.63

Finding the Fourth Proportional to 74,043.27, 102,073.43 and 52,785.63

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Solution

The fourth proportional to 74,043.27, 102,073.43 and 52,785.63 is: 72,768.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,043.27 : 102,073.43 = 52,785.63 : x
  2. Step 2: Convert to fraction form
    74,043.27/102,073.43 = 52,785.63/x
  3. Step 3: Cross multiply
    74,043.27x = 102,073.43 × 52,785.63
  4. Step 4: Simplify right side
    74,043.27x = 5,388,010,308.81
  5. Step 5: Solve for x
    x = 5,388,010,308.81/74,043.27
  6. Step 6: Final answer
    x = 72,768.40

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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.