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Finding the Fourth Proportional to 65,522.60, 90,349.74 and 44,264.96

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Solution

The fourth proportional to 65,522.60, 90,349.74 and 44,264.96 is: 61,037.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,522.60 : 90,349.74 = 44,264.96 : x
  2. Step 2: Convert to fraction form
    65,522.60/90,349.74 = 44,264.96/x
  3. Step 3: Cross multiply
    65,522.60x = 90,349.74 × 44,264.96
  4. Step 4: Simplify right side
    65,522.60x = 3,999,327,627.11
  5. Step 5: Solve for x
    x = 3,999,327,627.11/65,522.60
  6. Step 6: Final answer
    x = 61,037.38

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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.