Home / 42,801.12-64,201.80-25,246.80

Finding the Fourth Proportional to 42,801.12, 64,201.80 and 25,246.80

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Solution

The fourth proportional to 42,801.12, 64,201.80 and 25,246.80 is: 37,870.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,801.12 : 64,201.80 = 25,246.80 : x
  2. Step 2: Convert to fraction form
    42,801.12/64,201.80 = 25,246.80/x
  3. Step 3: Cross multiply
    42,801.12x = 64,201.80 × 25,246.80
  4. Step 4: Simplify right side
    42,801.12x = 1,620,890,004.24
  5. Step 5: Solve for x
    x = 1,620,890,004.24/42,801.12
  6. Step 6: Final answer
    x = 37,870.27

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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.