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Finding the Fourth Proportional to 73.51, 101.43 and 40.76

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Solution

The fourth proportional to 73.51, 101.43 and 40.76 is: 56.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    73.51 : 101.43 = 40.76 : x
  2. Step 2: Convert to fraction form
    73.51/101.43 = 40.76/x
  3. Step 3: Cross multiply
    73.51x = 101.43 × 40.76
  4. Step 4: Simplify right side
    73.51x = 4,134.29
  5. Step 5: Solve for x
    x = 4,134.29/73.51
  6. Step 6: Final answer
    x = 56.24

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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.