Home / 87,421.80-131,132.73-37,469.51

Finding the Fourth Proportional to 87,421.80, 131,132.73 and 37,469.51

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Solution

The fourth proportional to 87,421.80, 131,132.73 and 37,469.51 is: 56,204.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,421.80 : 131,132.73 = 37,469.51 : x
  2. Step 2: Convert to fraction form
    87,421.80/131,132.73 = 37,469.51/x
  3. Step 3: Cross multiply
    87,421.80x = 131,132.73 × 37,469.51
  4. Step 4: Simplify right side
    87,421.80x = 4,913,478,482.40
  5. Step 5: Solve for x
    x = 4,913,478,482.40/87,421.80
  6. Step 6: Final answer
    x = 56,204.27

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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.