Home / 57,537.20-86,305.80-18,106.40

Finding the Fourth Proportional to 57,537.20, 86,305.80 and 18,106.40

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Solution

The fourth proportional to 57,537.20, 86,305.80 and 18,106.40 is: 27,159.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,537.20 : 86,305.80 = 18,106.40 : x
  2. Step 2: Convert to fraction form
    57,537.20/86,305.80 = 18,106.40/x
  3. Step 3: Cross multiply
    57,537.20x = 86,305.80 × 18,106.40
  4. Step 4: Simplify right side
    57,537.20x = 1,562,687,337.12
  5. Step 5: Solve for x
    x = 1,562,687,337.12/57,537.20
  6. Step 6: Final answer
    x = 27,159.60

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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.