Home / 66,650.07-91,977.70-37,969.31

Finding the Fourth Proportional to 66,650.07, 91,977.70 and 37,969.31

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Solution

The fourth proportional to 66,650.07, 91,977.70 and 37,969.31 is: 52,397.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,650.07 : 91,977.70 = 37,969.31 : x
  2. Step 2: Convert to fraction form
    66,650.07/91,977.70 = 37,969.31/x
  3. Step 3: Cross multiply
    66,650.07x = 91,977.70 × 37,969.31
  4. Step 4: Simplify right side
    66,650.07x = 3,492,329,600.01
  5. Step 5: Solve for x
    x = 3,492,329,600.01/66,650.07
  6. Step 6: Final answer
    x = 52,397.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.