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Finding the Fourth Proportional to 60,902.81, 84,047.73 and 34,046.45

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Solution

The fourth proportional to 60,902.81, 84,047.73 and 34,046.45 is: 46,985.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,902.81 : 84,047.73 = 34,046.45 : x
  2. Step 2: Convert to fraction form
    60,902.81/84,047.73 = 34,046.45/x
  3. Step 3: Cross multiply
    60,902.81x = 84,047.73 × 34,046.45
  4. Step 4: Simplify right side
    60,902.81x = 2,861,526,416.82
  5. Step 5: Solve for x
    x = 2,861,526,416.82/60,902.81
  6. Step 6: Final answer
    x = 46,985.13

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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.