Home / 66,376.42-99,330.66-41,428.16

Finding the Fourth Proportional to 66,376.42, 99,330.66 and 41,428.16

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Solution

The fourth proportional to 66,376.42, 99,330.66 and 41,428.16 is: 61,996.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,376.42 : 99,330.66 = 41,428.16 : x
  2. Step 2: Convert to fraction form
    66,376.42/99,330.66 = 41,428.16/x
  3. Step 3: Cross multiply
    66,376.42x = 99,330.66 × 41,428.16
  4. Step 4: Simplify right side
    66,376.42x = 4,115,086,475.39
  5. Step 5: Solve for x
    x = 4,115,086,475.39/66,376.42
  6. Step 6: Final answer
    x = 61,996.21

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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.