Home / 87,496.40-131,341.80-48,130.40

Finding the Fourth Proportional to 87,496.40, 131,341.80 and 48,130.40

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Solution

The fourth proportional to 87,496.40, 131,341.80 and 48,130.40 is: 72,249.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,496.40 : 131,341.80 = 48,130.40 : x
  2. Step 2: Convert to fraction form
    87,496.40/131,341.80 = 48,130.40/x
  3. Step 3: Cross multiply
    87,496.40x = 131,341.80 × 48,130.40
  4. Step 4: Simplify right side
    87,496.40x = 6,321,533,370.72
  5. Step 5: Solve for x
    x = 6,321,533,370.72/87,496.40
  6. Step 6: Final answer
    x = 72,249.07

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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.