Home / 87,528.72-120,777.48-49,281.84

Finding the Fourth Proportional to 87,528.72, 120,777.48 and 49,281.84

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Solution

The fourth proportional to 87,528.72, 120,777.48 and 49,281.84 is: 68,002.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,528.72 : 120,777.48 = 49,281.84 : x
  2. Step 2: Convert to fraction form
    87,528.72/120,777.48 = 49,281.84/x
  3. Step 3: Cross multiply
    87,528.72x = 120,777.48 × 49,281.84
  4. Step 4: Simplify right side
    87,528.72x = 5,952,136,444.96
  5. Step 5: Solve for x
    x = 5,952,136,444.96/87,528.72
  6. Step 6: Final answer
    x = 68,002.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.