Home / 57,377.25-79,158.42-42,305.67

Finding the Fourth Proportional to 57,377.25, 79,158.42 and 42,305.67

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Solution

The fourth proportional to 57,377.25, 79,158.42 and 42,305.67 is: 58,365.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,377.25 : 79,158.42 = 42,305.67 : x
  2. Step 2: Convert to fraction form
    57,377.25/79,158.42 = 42,305.67/x
  3. Step 3: Cross multiply
    57,377.25x = 79,158.42 × 42,305.67
  4. Step 4: Simplify right side
    57,377.25x = 3,348,849,994.24
  5. Step 5: Solve for x
    x = 3,348,849,994.24/57,377.25
  6. Step 6: Final answer
    x = 58,365.47

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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.