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Finding the Fourth Proportional to 60.93, 91.01 and 56.07

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Solution

The fourth proportional to 60.93, 91.01 and 56.07 is: 83.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    60.93 : 91.01 = 56.07 : x
  2. Step 2: Convert to fraction form
    60.93/91.01 = 56.07/x
  3. Step 3: Cross multiply
    60.93x = 91.01 × 56.07
  4. Step 4: Simplify right side
    60.93x = 5,103.07
  5. Step 5: Solve for x
    x = 5,103.07/60.93
  6. Step 6: Final answer
    x = 83.75

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.