Home / 66,336.24-91,539.36-37,656.48

Finding the Fourth Proportional to 66,336.24, 91,539.36 and 37,656.48

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Solution

The fourth proportional to 66,336.24, 91,539.36 and 37,656.48 is: 51,963.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,336.24 : 91,539.36 = 37,656.48 : x
  2. Step 2: Convert to fraction form
    66,336.24/91,539.36 = 37,656.48/x
  3. Step 3: Cross multiply
    66,336.24x = 91,539.36 × 37,656.48
  4. Step 4: Simplify right side
    66,336.24x = 3,447,050,079.05
  5. Step 5: Solve for x
    x = 3,447,050,079.05/66,336.24
  6. Step 6: Final answer
    x = 51,963.30

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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.