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Finding the Fourth Proportional to 65,586.40, 90,522.68 and 41,708.46

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Solution

The fourth proportional to 65,586.40, 90,522.68 and 41,708.46 is: 57,566.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,586.40 : 90,522.68 = 41,708.46 : x
  2. Step 2: Convert to fraction form
    65,586.40/90,522.68 = 41,708.46/x
  3. Step 3: Cross multiply
    65,586.40x = 90,522.68 × 41,708.46
  4. Step 4: Simplify right side
    65,586.40x = 3,775,561,577.87
  5. Step 5: Solve for x
    x = 3,775,561,577.87/65,586.40
  6. Step 6: Final answer
    x = 57,566.23

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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.