Home / 66,042.59-91,117.24-37,359.47

Finding the Fourth Proportional to 66,042.59, 91,117.24 and 37,359.47

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Solution

The fourth proportional to 66,042.59, 91,117.24 and 37,359.47 is: 51,543.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,042.59 : 91,117.24 = 37,359.47 : x
  2. Step 2: Convert to fraction form
    66,042.59/91,117.24 = 37,359.47/x
  3. Step 3: Cross multiply
    66,042.59x = 91,117.24 × 37,359.47
  4. Step 4: Simplify right side
    66,042.59x = 3,404,091,928.66
  5. Step 5: Solve for x
    x = 3,404,091,928.66/66,042.59
  6. Step 6: Final answer
    x = 51,543.89

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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.