Home / 66,410.28-99,418.59-40,035.06

Finding the Fourth Proportional to 66,410.28, 99,418.59 and 40,035.06

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Solution

The fourth proportional to 66,410.28, 99,418.59 and 40,035.06 is: 59,933.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,410.28 : 99,418.59 = 40,035.06 : x
  2. Step 2: Convert to fraction form
    66,410.28/99,418.59 = 40,035.06/x
  3. Step 3: Cross multiply
    66,410.28x = 99,418.59 × 40,035.06
  4. Step 4: Simplify right side
    66,410.28x = 3,980,229,215.77
  5. Step 5: Solve for x
    x = 3,980,229,215.77/66,410.28
  6. Step 6: Final answer
    x = 59,933.93

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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.