Home / 87,347.23-120,538.45-49,106.94

Finding the Fourth Proportional to 87,347.23, 120,538.45 and 49,106.94

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Solution

The fourth proportional to 87,347.23, 120,538.45 and 49,106.94 is: 67,767.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,347.23 : 120,538.45 = 49,106.94 : x
  2. Step 2: Convert to fraction form
    87,347.23/120,538.45 = 49,106.94/x
  3. Step 3: Cross multiply
    87,347.23x = 120,538.45 × 49,106.94
  4. Step 4: Simplify right side
    87,347.23x = 5,919,274,431.84
  5. Step 5: Solve for x
    x = 5,919,274,431.84/87,347.23
  6. Step 6: Final answer
    x = 67,767.17

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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.