Home / 66,325.74-99,422.13-30,812.03

Finding the Fourth Proportional to 66,325.74, 99,422.13 and 30,812.03

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Solution

The fourth proportional to 66,325.74, 99,422.13 and 30,812.03 is: 46,187.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,325.74 : 99,422.13 = 30,812.03 : x
  2. Step 2: Convert to fraction form
    66,325.74/99,422.13 = 30,812.03/x
  3. Step 3: Cross multiply
    66,325.74x = 99,422.13 × 30,812.03
  4. Step 4: Simplify right side
    66,325.74x = 3,063,397,155.11
  5. Step 5: Solve for x
    x = 3,063,397,155.11/66,325.74
  6. Step 6: Final answer
    x = 46,187.15

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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.