Home / 66,454.65-91,707.36-36,240.03

Finding the Fourth Proportional to 66,454.65, 91,707.36 and 36,240.03

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Solution

The fourth proportional to 66,454.65, 91,707.36 and 36,240.03 is: 50,011.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,454.65 : 91,707.36 = 36,240.03 : x
  2. Step 2: Convert to fraction form
    66,454.65/91,707.36 = 36,240.03/x
  3. Step 3: Cross multiply
    66,454.65x = 91,707.36 × 36,240.03
  4. Step 4: Simplify right side
    66,454.65x = 3,323,477,477.62
  5. Step 5: Solve for x
    x = 3,323,477,477.62/66,454.65
  6. Step 6: Final answer
    x = 50,011.21

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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.