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Finding the Fourth Proportional to 60,742.67, 91,114.82 and 21,300.93

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Solution

The fourth proportional to 60,742.67, 91,114.82 and 21,300.93 is: 31,951.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,742.67 : 91,114.82 = 21,300.93 : x
  2. Step 2: Convert to fraction form
    60,742.67/91,114.82 = 21,300.93/x
  3. Step 3: Cross multiply
    60,742.67x = 91,114.82 × 21,300.93
  4. Step 4: Simplify right side
    60,742.67x = 1,940,830,296.28
  5. Step 5: Solve for x
    x = 1,940,830,296.28/60,742.67
  6. Step 6: Final answer
    x = 31,951.68

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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.