Home / 66,169.69-99,172.51-31,035.53

Finding the Fourth Proportional to 66,169.69, 99,172.51 and 31,035.53

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Solution

The fourth proportional to 66,169.69, 99,172.51 and 31,035.53 is: 46,514.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,169.69 : 99,172.51 = 31,035.53 : x
  2. Step 2: Convert to fraction form
    66,169.69/99,172.51 = 31,035.53/x
  3. Step 3: Cross multiply
    66,169.69x = 99,172.51 × 31,035.53
  4. Step 4: Simplify right side
    66,169.69x = 3,077,871,409.28
  5. Step 5: Solve for x
    x = 3,077,871,409.28/66,169.69
  6. Step 6: Final answer
    x = 46,514.82

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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.