Home / 65,015.12-97,480.62-42,761.12

Finding the Fourth Proportional to 65,015.12, 97,480.62 and 42,761.12

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Solution

The fourth proportional to 65,015.12, 97,480.62 and 42,761.12 is: 64,114.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,015.12 : 97,480.62 = 42,761.12 : x
  2. Step 2: Convert to fraction form
    65,015.12/97,480.62 = 42,761.12/x
  3. Step 3: Cross multiply
    65,015.12x = 97,480.62 × 42,761.12
  4. Step 4: Simplify right side
    65,015.12x = 4,168,380,489.49
  5. Step 5: Solve for x
    x = 4,168,380,489.49/65,015.12
  6. Step 6: Final answer
    x = 64,114.02

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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.