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Finding the Fourth Proportional to 65,523.48, 90,214.98 and 59,537.22

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Solution

The fourth proportional to 65,523.48, 90,214.98 and 59,537.22 is: 81,972.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,523.48 : 90,214.98 = 59,537.22 : x
  2. Step 2: Convert to fraction form
    65,523.48/90,214.98 = 59,537.22/x
  3. Step 3: Cross multiply
    65,523.48x = 90,214.98 × 59,537.22
  4. Step 4: Simplify right side
    65,523.48x = 5,371,149,111.56
  5. Step 5: Solve for x
    x = 5,371,149,111.56/65,523.48
  6. Step 6: Final answer
    x = 81,972.89

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1.5x scale

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.