Home / 66,909.48-92,336.04-36,697.56

Finding the Fourth Proportional to 66,909.48, 92,336.04 and 36,697.56

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Solution

The fourth proportional to 66,909.48, 92,336.04 and 36,697.56 is: 50,643.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,909.48 : 92,336.04 = 36,697.56 : x
  2. Step 2: Convert to fraction form
    66,909.48/92,336.04 = 36,697.56/x
  3. Step 3: Cross multiply
    66,909.48x = 92,336.04 × 36,697.56
  4. Step 4: Simplify right side
    66,909.48x = 3,388,507,368.06
  5. Step 5: Solve for x
    x = 3,388,507,368.06/66,909.48
  6. Step 6: Final answer
    x = 50,643.16

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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.