Home / 40,700.88-61,050.96-11,118.72

Finding the Fourth Proportional to 40,700.88, 61,050.96 and 11,118.72

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Solution

The fourth proportional to 40,700.88, 61,050.96 and 11,118.72 is: 16,677.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,700.88 : 61,050.96 = 11,118.72 : x
  2. Step 2: Convert to fraction form
    40,700.88/61,050.96 = 11,118.72/x
  3. Step 3: Cross multiply
    40,700.88x = 61,050.96 × 11,118.72
  4. Step 4: Simplify right side
    40,700.88x = 678,808,529.97
  5. Step 5: Solve for x
    x = 678,808,529.97/40,700.88
  6. Step 6: Final answer
    x = 16,677.98

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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.