Home / 87,484.13-120,697.93-49,235.93

Finding the Fourth Proportional to 87,484.13, 120,697.93 and 49,235.93

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Solution

The fourth proportional to 87,484.13, 120,697.93 and 49,235.93 is: 67,928.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,484.13 : 120,697.93 = 49,235.93 : x
  2. Step 2: Convert to fraction form
    87,484.13/120,697.93 = 49,235.93/x
  3. Step 3: Cross multiply
    87,484.13x = 120,697.93 × 49,235.93
  4. Step 4: Simplify right side
    87,484.13x = 5,942,674,832.62
  5. Step 5: Solve for x
    x = 5,942,674,832.62/87,484.13
  6. Step 6: Final answer
    x = 67,928.60

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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.