Home / 66,082.77-99,134.51-21,699.42

Finding the Fourth Proportional to 66,082.77, 99,134.51 and 21,699.42

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Solution

The fourth proportional to 66,082.77, 99,134.51 and 21,699.42 is: 32,552.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,082.77 : 99,134.51 = 21,699.42 : x
  2. Step 2: Convert to fraction form
    66,082.77/99,134.51 = 21,699.42/x
  3. Step 3: Cross multiply
    66,082.77x = 99,134.51 × 21,699.42
  4. Step 4: Simplify right side
    66,082.77x = 2,151,161,260.49
  5. Step 5: Solve for x
    x = 2,151,161,260.49/66,082.77
  6. Step 6: Final answer
    x = 32,552.53

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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.