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Finding the Fourth Proportional to 57,383.70, 79,167.33 and 42,312.03

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Solution

The fourth proportional to 57,383.70, 79,167.33 and 42,312.03 is: 58,374.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,383.70 : 79,167.33 = 42,312.03 : x
  2. Step 2: Convert to fraction form
    57,383.70/79,167.33 = 42,312.03/x
  3. Step 3: Cross multiply
    57,383.70x = 79,167.33 × 42,312.03
  4. Step 4: Simplify right side
    57,383.70x = 3,349,730,441.98
  5. Step 5: Solve for x
    x = 3,349,730,441.98/57,383.70
  6. Step 6: Final answer
    x = 58,374.25

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.