Home / 74,816.41-112,097.74-45,171.98

Finding the Fourth Proportional to 74,816.41, 112,097.74 and 45,171.98

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Solution

The fourth proportional to 74,816.41, 112,097.74 and 45,171.98 is: 67,681.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,816.41 : 112,097.74 = 45,171.98 : x
  2. Step 2: Convert to fraction form
    74,816.41/112,097.74 = 45,171.98/x
  3. Step 3: Cross multiply
    74,816.41x = 112,097.74 × 45,171.98
  4. Step 4: Simplify right side
    74,816.41x = 5,063,676,195.91
  5. Step 5: Solve for x
    x = 5,063,676,195.91/74,816.41
  6. Step 6: Final answer
    x = 67,681.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.