Home / 66,243.03-99,267.93-30,715.20

Finding the Fourth Proportional to 66,243.03, 99,267.93 and 30,715.20

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Solution

The fourth proportional to 66,243.03, 99,267.93 and 30,715.20 is: 46,028.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,243.03 : 99,267.93 = 30,715.20 : x
  2. Step 2: Convert to fraction form
    66,243.03/99,267.93 = 30,715.20/x
  3. Step 3: Cross multiply
    66,243.03x = 99,267.93 × 30,715.20
  4. Step 4: Simplify right side
    66,243.03x = 3,049,034,323.54
  5. Step 5: Solve for x
    x = 3,049,034,323.54/66,243.03
  6. Step 6: Final answer
    x = 46,028.00

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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.