Home / 87,127.96-120,235.70-47,383.96

Finding the Fourth Proportional to 87,127.96, 120,235.70 and 47,383.96

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Solution

The fourth proportional to 87,127.96, 120,235.70 and 47,383.96 is: 65,389.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,127.96 : 120,235.70 = 47,383.96 : x
  2. Step 2: Convert to fraction form
    87,127.96/120,235.70 = 47,383.96/x
  3. Step 3: Cross multiply
    87,127.96x = 120,235.70 × 47,383.96
  4. Step 4: Simplify right side
    87,127.96x = 5,697,243,599.37
  5. Step 5: Solve for x
    x = 5,697,243,599.37/87,127.96
  6. Step 6: Final answer
    x = 65,389.38

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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.