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Finding the Fourth Proportional to 71,265.40, 97,822.33 and 63,018.34

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Solution

The fourth proportional to 71,265.40, 97,822.33 and 63,018.34 is: 86,502.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,265.40 : 97,822.33 = 63,018.34 : x
  2. Step 2: Convert to fraction form
    71,265.40/97,822.33 = 63,018.34/x
  3. Step 3: Cross multiply
    71,265.40x = 97,822.33 × 63,018.34
  4. Step 4: Simplify right side
    71,265.40x = 6,164,600,449.43
  5. Step 5: Solve for x
    x = 6,164,600,449.43/71,265.40
  6. Step 6: Final answer
    x = 86,502.01

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.