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Finding the Fourth Proportional to 64,809.74, 97,564.73 and 58,292.31

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Solution

The fourth proportional to 64,809.74, 97,564.73 and 58,292.31 is: 87,753.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,809.74 : 97,564.73 = 58,292.31 : x
  2. Step 2: Convert to fraction form
    64,809.74/97,564.73 = 58,292.31/x
  3. Step 3: Cross multiply
    64,809.74x = 97,564.73 × 58,292.31
  4. Step 4: Simplify right side
    64,809.74x = 5,687,273,486.23
  5. Step 5: Solve for x
    x = 5,687,273,486.23/64,809.74
  6. Step 6: Final answer
    x = 87,753.38

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.