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Finding the Fourth Proportional to 66,954.80, 100,237.80 and 65,010.80

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Solution

The fourth proportional to 66,954.80, 100,237.80 and 65,010.80 is: 97,327.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,954.80 : 100,237.80 = 65,010.80 : x
  2. Step 2: Convert to fraction form
    66,954.80/100,237.80 = 65,010.80/x
  3. Step 3: Cross multiply
    66,954.80x = 100,237.80 × 65,010.80
  4. Step 4: Simplify right side
    66,954.80x = 6,516,539,568.24
  5. Step 5: Solve for x
    x = 6,516,539,568.24/66,954.80
  6. Step 6: Final answer
    x = 97,327.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.