Home / 66,155.13-91,287.49-37,469.06

Finding the Fourth Proportional to 66,155.13, 91,287.49 and 37,469.06

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Solution

The fourth proportional to 66,155.13, 91,287.49 and 37,469.06 is: 51,703.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,155.13 : 91,287.49 = 37,469.06 : x
  2. Step 2: Convert to fraction form
    66,155.13/91,287.49 = 37,469.06/x
  3. Step 3: Cross multiply
    66,155.13x = 91,287.49 × 37,469.06
  4. Step 4: Simplify right side
    66,155.13x = 3,420,456,710.64
  5. Step 5: Solve for x
    x = 3,420,456,710.64/66,155.13
  6. Step 6: Final answer
    x = 51,703.58

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1.5x scale

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.