Home / 74,836.41-112,303.82-28,089.28

Finding the Fourth Proportional to 74,836.41, 112,303.82 and 28,089.28

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Solution

The fourth proportional to 74,836.41, 112,303.82 and 28,089.28 is: 42,152.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,836.41 : 112,303.82 = 28,089.28 : x
  2. Step 2: Convert to fraction form
    74,836.41/112,303.82 = 28,089.28/x
  3. Step 3: Cross multiply
    74,836.41x = 112,303.82 × 28,089.28
  4. Step 4: Simplify right side
    74,836.41x = 3,154,533,497.65
  5. Step 5: Solve for x
    x = 3,154,533,497.65/74,836.41
  6. Step 6: Final answer
    x = 42,152.39

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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.