Home / 75,042.20-112,563.30-57,546.20

Finding the Fourth Proportional to 75,042.20, 112,563.30 and 57,546.20

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Solution

The fourth proportional to 75,042.20, 112,563.30 and 57,546.20 is: 86,319.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,042.20 : 112,563.30 = 57,546.20 : x
  2. Step 2: Convert to fraction form
    75,042.20/112,563.30 = 57,546.20/x
  3. Step 3: Cross multiply
    75,042.20x = 112,563.30 × 57,546.20
  4. Step 4: Simplify right side
    75,042.20x = 6,477,590,174.46
  5. Step 5: Solve for x
    x = 6,477,590,174.46/75,042.20
  6. Step 6: Final answer
    x = 86,319.30

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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.