Home / 42,235.91-63,367.94-14,158.74

Finding the Fourth Proportional to 42,235.91, 63,367.94 and 14,158.74

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Solution

The fourth proportional to 42,235.91, 63,367.94 and 14,158.74 is: 21,242.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,235.91 : 63,367.94 = 14,158.74 : x
  2. Step 2: Convert to fraction form
    42,235.91/63,367.94 = 14,158.74/x
  3. Step 3: Cross multiply
    42,235.91x = 63,367.94 × 14,158.74
  4. Step 4: Simplify right side
    42,235.91x = 897,210,186.80
  5. Step 5: Solve for x
    x = 897,210,186.80/42,235.91
  6. Step 6: Final answer
    x = 21,242.83

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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.