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Finding the Fourth Proportional to 65,482.32, 90,294.09 and 44,224.68

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Solution

The fourth proportional to 65,482.32, 90,294.09 and 44,224.68 is: 60,981.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,482.32 : 90,294.09 = 44,224.68 : x
  2. Step 2: Convert to fraction form
    65,482.32/90,294.09 = 44,224.68/x
  3. Step 3: Cross multiply
    65,482.32x = 90,294.09 × 44,224.68
  4. Step 4: Simplify right side
    65,482.32x = 3,993,227,657.67
  5. Step 5: Solve for x
    x = 3,993,227,657.67/65,482.32
  6. Step 6: Final answer
    x = 60,981.76

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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.