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Finding the Fourth Proportional to 65,579, 90,499.02 and 35,771

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Solution

The fourth proportional to 65,579, 90,499.02 and 35,771 is: 49,363.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,579 : 90,499.02 = 35,771 : x
  2. Step 2: Convert to fraction form
    65,579/90,499.02 = 35,771/x
  3. Step 3: Cross multiply
    65,579x = 90,499.02 × 35,771
  4. Step 4: Simplify right side
    65,579x = 3,237,240,444.42
  5. Step 5: Solve for x
    x = 3,237,240,444.42/65,579
  6. Step 6: Final answer
    x = 49,363.98

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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.