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Finding the Fourth Proportional to 65,003.40, 97,505.10 and 60,629.40

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Solution

The fourth proportional to 65,003.40, 97,505.10 and 60,629.40 is: 90,944.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,003.40 : 97,505.10 = 60,629.40 : x
  2. Step 2: Convert to fraction form
    65,003.40/97,505.10 = 60,629.40/x
  3. Step 3: Cross multiply
    65,003.40x = 97,505.10 × 60,629.40
  4. Step 4: Simplify right side
    65,003.40x = 5,911,675,709.94
  5. Step 5: Solve for x
    x = 5,911,675,709.94/65,003.40
  6. Step 6: Final answer
    x = 90,944.10

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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.